Find the equation of the polynomial function graphed below.A) f(x) = x3 − 3x2 − 6x + 8

B) f(x) = 8x3 − 24x2 − 48x + 64

C) f(x) = x3 + 3x2 − 6x − 8

D) f(x) = 8x3 + 24x2 − 48x − 64
Find the equation of the polynomial function graphed below. A) - 1

Answers

Answer 1
Answer:

Answer:

See image

Step-by-step explanation:

Check out the y-intercepts for these equations and look at the y-intercept on the graph. The y-intercept is the point where x=0. So it's mental math you can do in a couple of seconds per equation. If x=0 all the x terms are zero and the y-intercept is just the constant at the end if the equation. I put a note on the graph and the answer choices. The constant is the y-intercept. Only one choice matches. See images.

Answer 2
Answer: A) f(x) = x3 − 3x2 − 6x + 8

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(4k^4 + 2 - 3k) + (5k^4 + k - 8)
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Solve for:-9a = 27 please someone help!!!
B) How many prime numbers are multiplesof 8?

When is the function decreasing?A. (15, 40)
B. (30, 55)
C. (60, -40)
D. (40, 60)​

Answers

I believe it is C. (60, -40)

Verify the linear approximation at (0, 0) forf(x, y) = 7x + 4
5y + 1
â 4 + 7x â 20y

Let f(x, y) = 7x + 4 5y + 1 . Then fx(x, y) = ________

Answers

You need to plug in the (0,0) that’s it

A microwave is placed on top of a stand. The stand is 2 feet 10 inches tall, and the microwave is 3 feet 3 inches tall. Together, how tall are they?Write your answer in feet and inches. Use a number less than 12 for inches.

Answers

Answer:

6 feet 1 inch tall

Step-by-step explanation:

10 inch + 3 inch is 13 inch which is equal to 1 foot 1 inch

2 feet + 3 feet is 5 feet and if we add 5 feet to 1 foot and 1 inch, it will be equal to 6 feet 1 inch.

If you can simplify this equation to the final stage I will reward you!! Try you're best!! I will not give my points to people that don't deserve them :)

Answers

k = -18

you can solve for k by simplifying both sides of the equation, then isolating the variable.

k=9     soo  got 9 by adding 6 and 8 which equals 14 then i thought 14 minus what equals 5 and got 9 which is the answer for k.

What sample size is needed to give a margin of error within in estimating a population mean with 95% confidence, assuming a previous sample had .

Answers

Answer:

n = ((1.96√(\pi(1-\pi)))/(M))^2

The sample size needed is n(if a decimal number, round up to the next integer), considering the estimate of the proportion \pi(if no previous estimate use 0.5) and M is the desired margin of error.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{(\pi(1-\pi))/(n)}

In which

z is the z-score that has a p-value of 1 - (\alpha)/(2).

The margin of error is of:

M = z\sqrt{(\pi(1-\pi))/(n)}

95% confidence level

So \alpha = 0.05, z is the value of Z that has a p-value of 1 - (0.05)/(2) = 0.975, so Z = 1.96.

Needed sample size:

The needed sample size is n. We have that:

M = z\sqrt{(\pi(1-\pi))/(n)}

M = 1.96\sqrt{(\pi(1-\pi))/(n)}

√(n)M = 1.96√(\pi(1-\pi))

√(n) = (1.96√(\pi(1-\pi)))/(M)

(√(n))^2 = ((1.96√(\pi(1-\pi)))/(M))^2

n = ((1.96√(\pi(1-\pi)))/(M))^2

The sample size needed is n(if a decimal number, round up to the next integer), considering the estimate of the proportion \pi(if no previous estimate use 0.5) and M is the desired margin of error.

2(3x+1)=-10 pls help

Answers

Answer:

x=-2 hope this helps! :)

Step-by-step explanation:

first you move the constant to the right

3x+1=-5

then you calculate

3x=-5-1

finally you divide both sides to get x alone

x=-2

Answer:

x= -2

Step-by-step explanation:

Step 1- Distribute into the parenthesis.

(2)3x+(2)1= -10

Step 2- Multiply

6x+2= -10

Step 3- Subtract 2 to both sides.

6x+2= -10

    -2    -2

Step 4- Divide both sides by 6

6x= -12

6     6

x= -2