helpppppppppp!!!!!!!!!!!!!!!!!!!!!!!!!!

Helpppppppppp!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer 1

Answer:

(f o g)(x) = 8x³ + 2x - 6

(g o f)(x) = 2x³ + 2x - 12

Step-by-step explanation:

f(x) = x³ + x - 6; g(x) = 2x

(f o g)(x) = f(g(x))

f(g(x)) = (2x)³ + (2x) - 6

f(g(x)) = 8x³ + 2x - 6

(g o f) = g(f(x))

g(f(x)) = 2(x³ + x - 6)

g(f(x)) = 2x³ + 2x - 12

I hope this helps!


Related Questions

Find the Value of interval [0,2pie] such as that tan s= -radical3/3

Answers

The values of s in the interval [0, 2π) such that tan s = -(√3)/3 are 5π/6 and 11π/6.

What is trigonometry and how is it assessed?
Simply put, trigonometric functions—also referred to as circular functions: are the functions of a triangle's angle. This means that these trig functions provide the relationship between the angles and sides of a triangle. Sine, cosine, tangent, cotangent, secant, and cosecant are the fundamental trigonometric functions. Numerous trigonometric identities and formulas indicate the relationship between the functions and aid in determining the triangle's angles.
The quadrants determine the values of the trigonometric functions.


Given, tan s = -(√3)/3 ⇒ tan s = -(√3)/(√3)² ⇒ tan s = (-1)/(√3)
Therefore, the simplified value of tangent of s is tan s = (-1)/(√3)
Again the interval of the function is [0, 2π), so only the second and fourth quadrants can contain the given value of tangent being negative.
For the value of s in second quadrant, we have:
tan s = (-1)/(√3) ⇒ tan s = tan (π - (π/6)) ⇒ tan s = tan (5π/6) ⇒ s = 5π/6
For the value of s in the fourth quadrant, we have:
tan s = (-1)/(√3) ⇒ tan s = tan (2π - (π/6)) ⇒ tan s = tan (11π/6) ⇒ s = 11π/6
Thus, the values of s in the interval [0, 2π) such that tan s = -(√3)/3 are 5π/6 and 11π/6.

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You need 30 ounces of chocolate chips to bake some cooldes. You already have 8 ounces of chocolate chips at home. Write an inequality that could beused to find how many ounces of chocolate chips you need to buy.whats the inequality:

Answers

Given:

Amount of chocolate chips needed = 30 ounces

Amount of chocolate you have already = 8 ounces

Let's find the inequality that can be used to find the ounces of chocolate chips you need to buy.

To write the inequality, we have:

8 + x ≥ 30

Where x represents the ounces of chocolate chips you need to buy.

Therefore, the inequality that could be used to fid how many ounces of chocolate chips needed is:

8 + x ≥ 30

ANSWER:

8 + x ≥ 30

The formula k=5/9(f-32)+273.15 converts temperature of the object in a laboratory is cooled to 1.5 kelvin. What is the temperature of the object in degrees fahrenheit?

Answers

[tex]\begin{gathered} k=\frac{5}{9}(f-32)+273.15 \\ k=1.5 \\ 1.5=\frac{5}{9}(f-32)+273.15 \\ \text{Subtract 273.15 from both sides} \\ 1.5-273.15=\frac{5}{9}f-\frac{160}{9}\Rightarrow\frac{5}{9}f=1.5-273.15+\frac{160}{9} \\ \frac{5}{9}f=-253.872 \\ MultiplyBothSideBy,\frac{9}{5} \\ f=\frac{9}{5}\cdot(-253.872) \\ f=-456.97^{\circ} \end{gathered}[/tex]

The temperature of the object is -456.97 degrees

If cos A = 3/√13 and angle A is not in quadrant I, determine the exact value of sin A.

Answers

To determine the exact value of sin A we get -2/√13

What is determinant?

the determinant is a scalar of value that is a function of to the  entries of a square matrix. It is  allows characterizing of  some  properties of to the  matrix and the linear map of represented by the matrix.

It is a scalar value which is associated with the square matrix.

Sol-Cos A =3/√13

angle A is not in quadrant I

So angle A is in quadrant IV

Thus,

Sin A =-√(√13)^2-3^2/√13

           =-√13-9/√13

           =-√4/√13

           =-2/√13

Thus the answer is -2/√13.

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Classify each set of measures as AAS, ASA, SSA, SAS, or SSS. Then find the indicated length or angle measure (to the nearest tenth).

Answers

Hello there. To solve this question, we'll have to remember some properties about triangles.

Given the triangle:

Notice in this case we have two consecutive angles and a side between them. This is a case of ASA (angle-side-angle).

With respect to the side with measure x, we have two consecutive angles then the side, hence AAS.

To find x, we'll have to apply the law of sines:

[tex]\dfrac{A}{\sin(\alpha)}=\dfrac{B}{\sin(\beta)}=\dfrac{C}{\sin(\gamma)}=2R[/tex]

In this case, the angle opposite to x measures 73º and the angle opposite to 4 measures 85º, hence:

[tex]\dfrac{x}{\sin(73^{\circ})}=\dfrac{4}{\sin(85^{\circ})}[/tex]

Multiply both sides by a factor of sin(73º)

[tex]x=\dfrac{4\sin(73^{\circ})}{\sin(85^{\circ})}[/tex]

Using a calculator, we get the following approximation (rounding to the nearest tenth):

[tex]x\approx3.8[/tex]

This is the measure of x we're looking for.

What is the average rate of change from f(-1) to f(1)?Type the numerical value for your answer as a whole number, decimal or fractionMake sure answers are completely simplified

Answers

The average rate of change of the function is the average rate at which one quantity is changing with respect to another.

Average rate of change = (y2 - y1)/(x2 - x1)

y represents the output values and it is also called f(x)

x represents the input values

For the given interval,

for f(- 1), x = -1 and f(x) = 8

For f(1), x = 1, f(x) = 4

Average rate of change = (4 - 8)/1 - - 1) = - 4/(1 + 1) = - 4/2

Average rate of change = - 2

Which is the upper left quadrant on the coordinate plane?A coordinate plane.Quadrant IQuadrant IIQuadrant IIIQuadrant IV

Answers

The quadrants on the coordinate plane are the following:

then, we have that the upper left quadrant is quadrant II

Please help me don't understand

Answers

Answer:

x=13

Step-by-step explanation:

50+3x=89

89-50=3x

39=3x

13=x

 Solve the inequalities|4x + 5| +  2  >  10

Answers

We have to solve this inequality:

[tex]\begin{gathered} |4x+5|+2>10 \\ |4x+5|>10-2 \\ |4x+5|>8 \end{gathered}[/tex]

We now use the properties of the absolute value. We will have two boundaries: one corresponding to when 4x+5 is negative and the other is when 4x+5 is positive.

When 4x+5 is negative, the absolute value function will change the sign of the expression, so we will have:

[tex]\begin{gathered} -(4x+5)>8 \\ -4x-5>8 \\ -4x>8+5 \\ -4x>13 \\ x<\frac{13}{-4} \\ x<-3.25 \end{gathered}[/tex]

The other interval will be defined when 4x+5 is positive. In this case, the absolute function does not change the sign and we get:

[tex]\begin{gathered} 4x+5>8 \\ 4x>8-5 \\ 4x>3 \\ x>\frac{3}{4} \\ x>0.75 \end{gathered}[/tex]

Then, the solution set is the union of the intervals x < -3.25 and x > 0.75.

We can express the interval as (-∞, -3.25) ∪ (0.75, ∞).

Answer: (-∞, -3.25) ∪ (0.75, ∞)

Evalue each expression for the given value(s) of the variable(s)exponents

Answers

Any number raised to the power of zero equals 1, then

[tex]r^0s^{-2}=1\cdot s^{-2}=s^{-2}[/tex]

then, we need to substitute the value 10 in the variable s. It yields,

[tex]s^{-2}=\frac{1}{s^2}\Rightarrow\frac{1}{10^2}=\frac{1}{100}[/tex]

Then, the answer is

[tex]r^0s^{-2}=\frac{1}{s^2}\Rightarrow\frac{1}{100}[/tex]

that is, 1 / 100.

3: Select the correct equation for the given situation. Then, select the solution for that equation. Two research submarines start to rise vertically toward the ocean surface. The Tri-I sub is at 4,863 feet below sea level (or -4,863 feet) and is ascending 81.1 feet per minute. The Quad-II sub is at 3,645 feet below sea level (or -3,645 feet) and is ascending 76.9 feet per minute. If the ocean surface is at 0 feet, how many minutes (m) must elapse for the two submarines to reach the same depth? m = 290 minutes m = 145 minutes m = 53.8 minutes 4,863 - 76.9m = 3,645 - 81.1m O -4,863 + 81.1m = - 3,645 + 76.9m 0 - 4, 863 + 76.9m = -3, 645 + 81.1m – 4, 863 – 81.2m 2 – 3, 645 + 76.9m Om < 53.8 minutes

Answers

Unknown, the correct equation is:

- 4,863 + 81.1m = - 3,645 + 76.9m

And to solve for m, you use the standard form:

Like terms:

81.1m - 76.9m = -3,645 + 4,863

4.2m = 1,218

Answer:Nuts

Step-by-step explanation:

green on green

simplify 3^5×3^4.a. 3×20b. 3^9c. 6^9d. 3^20I think its b but I am unsure.

Answers

Recalling the laws of exponents:

[tex]a^m\cdot a^n=a^{m+n}[/tex]

So, for the number 3^5 times 3^4, we have:

[tex]3^5\cdot3^4=3^{5+4}=3^9[/tex]

Therefore, the answer is the option b) 3^9.

Miles east of 100 80 60 40 20 1 2 3 4 5 6 7 8 9 10 Time (hours) Where were the two cars in relation to each other when they began traveling? O A. Car B was 5 miles east of car A. O B. Car B was 20 miles east of car A. O C. Car Awas 15 miles east of car B. D. Car A was 5 miles east of car B. < PREVIOUS

Answers

Car B was 5 miles east of car A, Option A

10) f(x) = x5 - 10x4 + 42x3 -124 x2 + 297x - 306; zero: 3i ? A) 2, -3i, -4 - i, -4 + i C) 2, -3i, 4 - i, 4 + i B) -2, -3i, -4 -i, -4 + i D) -2, -3i, 4-i, 4 + i

Answers

Answer

Option C is correct.

The roots of the given function include

2, -3i, (4 + i), (4 - i)

Explanation

To solve this, we would put the given roots of the solution into the place of x. The ones that give 0 are the roots of the expression

The expression is

f(x) = x⁵ - 10x⁴ + 42x³ - 124x² + 297x - 306

Starting with 2

f(x) = x⁵ - 10x⁴ + 42x³ - 124x² + 297x - 306

f(2) = 2⁵ - 10(2)⁴ + 42(2)³ - 124(2)² + 297(2) - 306

= 32 - 160 + 336 - 496 + 594 - 306

= 0

So, 2 is a root

-3i

f(x) = x⁵ - 10x⁴ + 42x³ - 124x² + 297x - 306

f(-3i) = (-3i)⁵ - 10(-3i)⁴ + 42(-3i)³ - 124(-3i)² + 297(-3i) - 306

= -243i - 810 + 1134i - 1116 - 891i - 306

= 0

So, -3i is also a root

4 + i

f(x) = x⁵ - 10x⁴ + 42x³ - 124x² + 297x - 306

f(4 + i) = (4 + i)⁵ - 10(4 + i)⁴ + 42(4 + i)³ - 124(4 + i)² + 297(4 + i) - 306

= 0

So, we know that the right root, when inserted and expanded will reduce the expression to 0.

4 - i

f(x) = x⁵ - 10x⁴ + 42x³ - 124x² + 297x - 306

f(4 - i) = (4 - i)⁵ - 10(4 - i)⁴ + 42(4 - i)³ - 124(4 - i)² + 297(4 - i) - 306

= 0

Inserting any of the other answers will result in answers other than 0 and show that they aren't roots/zeros for this expression.

Hope this Helps!!!

riangle QRS has vertices Q(8, −4), R(−1, 2), and S(3, 7). What are the coordinates of vertex Q after the triangle is reflected across the y-axiriangle QRS has vertices Q(8, −4), R(−1, 2), and S(3, 7). What are the coordinates of vertex Q after the triangle is reflected across the y-axi

Answers

The coordinates of Q should be (-8, -4) because when you reflect over the y-axis the x coordinate become the opposite

i need help, im confused

Answers

Answer:

2

Step-by-step explanation:

Find R on line segment NM that is 1/4 the distance from N(-3,-3) toM(2, 3).R(x, y) =

Answers

The distance on the x-coordinate from N to M is:

distance = 2 - (-3) = 2 + 3 = 5

Because 2 is the x-coordinate of M and -3 is the x-coordinate of N

Then, 1/4 of the distance is:

1/4*distance = (1/4)*5 = 5/4 = 1.25

So, the x-coordinate of R is:

(x-coordinate of N) + (1/4*distance) = -3 + 1.25 = -7/4 = -1.75

At the same way, the distance on the y-coordinae from N to M is:

distance = 3 - (-3) = 3 + 3 = 6

Then, 1/4 of the distance is:

1/4*distance = (1/4)*6 = 6/4 = 1.5

So, the y-coordinate of R is:

(y-coordinate of N) + (1/4*distance) = -3 + 1.5 = -1.5

Answer: R(x, y) = (-1.75, -1.5)

URGENT!! ILL GIVE
BRAINLIEST! AND 100 POINTS!!!!!!!!

Answers

Answer:

Option 2

Step-by-step explanation:

hope this helps

Part A. 150% of what number is 156 Part B. 4.4 is 5.5% of what number

Answers

EXPLANATION

Since 150% represents a percentage bigger than 156, the appropiate relationship would be as follows:

[tex]Part\text{=}\frac{\text{Percentage}}{100}\cdot\text{Whole}[/tex]

Where the whole number is 156 and the percentage is 150%:

[tex]\text{Part}=\frac{150}{100}\cdot156[/tex][tex]\text{Part}=1.5\cdot156=234[/tex]

In conclusion, the solution is 234

A person standing 306 feet from the base of a church observed the angle of elevation to the church’s steeple to be 20°. How tall is the church. Give answer to the nearest whole number

Answers

Solution

- The solution steps are given below:

[tex]\begin{gathered} \text{ Applying SOHCAHTOA, we have:} \\ \frac{h}{306}=\tan20 \\ h=306\tan20 \\ \\ h=111.374...ft\approx111ft\text{ \lparen To the nearest whole number\rparen} \end{gathered}[/tex]

Final Answer

111 ft

12.Work backwards to write a quadratic equation that will have solutions of x = -1/2 and x = 4. (Your equation must only have integer coefficients, meaning no fractions or decimals.)

Answers

In general, a quadratic equation can be written in terms of its solutions:

[tex]y=(x-a)(x-b).[/tex]

Now, notice that:

[tex]x+\frac{1}{2}=0\text{ }[/tex]

when x= -1/2, and it is equivalent to:

[tex]2x+1=0.[/tex]

Therefore, you can write the quadratic equation as:

[tex]y=(2x+1)(x-4).[/tex]

Computing the above multiplication, you get:

[tex]y=2x^2-8x+x-4.[/tex]

Simplifying the above equation you get:

[tex]y=2x^2-7x-4.[/tex]Answer: [tex]y=2x^{2}-7x-4[/tex]

Write an exponential expression: Let 10 be the base and an even number between 1 and 10 be the exponent.
Then write the exponential expression in expanded form and standard form.

Answers

The exponential expression as required to be chosen is; 10⁴.

The expanded form of the expression is; 10 × 10 × 10 × 10.

The standard form of the expression is; 10,000.

Exponential expressions in expanded form and Standard form.

It follows from the task content that the exponential expression is to be written in expanded and standard form.

Since the exponential expression must have 10 as the base and an even number between 1 and 10 as the exponent.

An example of such exponential expression is therefore;

10⁴.

Hence, to write the expression in expanded form; it is written as a product of factors as follows;

10 × 10 × 10 × 10

Also, the expression can be written in standard form as the result of the multiplication above;

= 10,000.

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Find the mzEFH, given that mzEFG = 50°. F E G . I

Answers

By theorem, we will have that m

m

=> m

=>2m

Then, we replace values and solve:

2m m

So, we have that m

пеу Fabric Sale At a fabric store, fabrics are sold by the yard. A dressmaker spent $46 on 5 yards of silk and cotton fabrics for a dress. 1 x + y = 5 117x + 4y = 46) Silk is $17 per yard and cotton is $4 per yard. Here is a system of equations that represent the constraints in the situation. What does the solution to the system represent?

Answers

It is said that the dressmaker bought 5 yards of cotton and silk. Let's see the first equation of the system:

[tex]x+y=5[/tex]

And that he spent $46 on those 5 yards. Also, it is said that silk costs $17 per yard and cotton $4 per yard. Let's see the second equation of the system:

[tex]17x+4y=46[/tex]

If 46 is how much the dressmaker spent, and 17 and 4 represent how much silk and cotton cost PER YARD then we know that x and y represent how much of each fabric did the dressmaker bought. Also, in the first equation you see that the total is 5 yards. So, if you solve this system you will find that 'x' is how many yards of silk the dressmaker bought and 'y' is how many yards of cotton he bought.

In summary, the solution of this system represents how may yards of silk (x) and cotton (y) the dressmaker bought.

Set up the equation for the following word problem and solve the equation. Let y be the unknown number.81 times a number minus 77 is equal to - 77 less than the number.Step 1 of 2: Write out the equation,

Answers

The equation of the word is,

[tex]undefined[/tex]

A genetic experiment with
peas resulted in one sample of offspring that consisted of 447 green peas and 169 yellow peas.
a. Construct a 90% confidence interval to estimate of the percentage of yellow peas.
b. Based on the confidence interval, do the results of the experiment appear to contradict the expectation that 25% of the offspring peas would be yellow?
a. Construct a 90% confidence interval. Express the percentages in decimal form.
L s p< (Round to three decimal places as needed.)
b. Based on the confidence interval, do the results of the experiment appear to contradict the expectation that 25% of the offspring peas would be yellow?
O
No, the confidence interval includes 0.25, so the true percentage could easily equal 25%
L
O Yes, the confidence interval does not include 0.25, SO the true percentage could not equal 25%

Answers

Using the z-distribution, it is found that:

a. The 90% confidence interval to estimate of the percentage of yellow peas is: (34.04%, 41.58%).

b. The correct option is: Yes, the confidence interval does not include 0.25, so the true percentage could not equal 25%.

What is a confidence interval of proportions?

The bounds of a confidence interval of proportions is given according to the equation presented as follows:

[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]

In which the parameters are described as follows:

[tex]\pi[/tex] is the sample proportion.z is the critical value of the distribution.n is the sample size, from which the estimate was built

The confidence level is of 90%, hence the critical value is z = 1.645, using a z-distribution calculator.

The values of the sample size and of the estimate are given as follows:

[tex]n = 447, \pi = \frac{169}{447} = 0.3781[/tex]

Hence the lower bound of the interval is:

[tex]\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.3781 - 1.645\sqrt{\frac{0.3781(0.6219)}{447}} = 0.3404[/tex]

The upper bound is:

[tex]\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.3781 + 1.645\sqrt{\frac{0.3781(0.6219)}{447}} = 0.4158[/tex]

As a percentage, the interval is given as follows: (34.04%, 41.58%).

The confidence interval does not contain 0.25, hence the true percentage would not be equal to 25%, contradicting the expectation.

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So ABC and DEF are the same triangle, this question is asking me to write an equation between the relationships of DEF. How do I write that?

Answers

Explanation

The first step is to draw a representation of the given parameters.

Since this is a right-angle triangle, the Pythagorean theorem applies. This can be seen below;

[tex]\text{Longest Leg}^2=sum\text{ of the square of the short legs}[/tex]

We can then apply it to the sides of the triangle.

DF is the longest side. Therefore,

Answer

[tex]DF^2=DE^2+EF^2[/tex]

Given f(x), find g(x) and h(x) such that f(x)= g(h(x)) and neither g(x) nor h(x) is solely x.

Answers

Given:

[tex]\begin{gathered} f(x)=g(h(x)) \\ f(x)=\sqrt[]{-4x^2-3}+2 \end{gathered}[/tex]

Solve :

[tex]g(h(x)=\sqrt[]{-4x^2-3}+2[/tex]

The function g(x) convert then x is equal to h(x) then:

[tex]\begin{gathered} h(x)=-4x^2 \\ g(x)=\sqrt[]{x-3}+2 \end{gathered}[/tex]

ratio problems that I am struggling with

Answers

7 out of every 500 Americans are aged 13-17 years generation are vegetarian

Thus the ratio of the vegetarian is 7 : 500

In a group of 350,

Let x be the number of people who are vegetarian

So, the ratio out of 350 who are vegetarian are : x : 350

SInce the ratio is same so:

[tex]\begin{gathered} 7\text{ : 500=x:250} \\ \frac{7}{500}=\frac{x}{250} \\ \text{ Simplify for x,} \\ x=\frac{7}{500}\times250 \\ x=\frac{7}{2} \\ x=3.5 \\ x\approx4 \end{gathered}[/tex]

So, the number of people who are vegetarian out of 350 people is 4 people

Find the measure of the arc or central angle indicated. Assume that lines which appear to bediameters are actual diameters.

Answers

From the given circle, the measure of the arc or the central angle indicated is as shown at the center of the circle is subtended by the arc

Hence, the measure of the arc or central angle indicated is 65° ,Option B

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