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4 years ago

5

Plzzzzzzzzzzzzzzzzzz

1 answer:

Alina [70]4 years ago

5 0

D. (x-9)(x-3)

This is because -9+(-3)= -12

And -9 x -3=27

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Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = x^3 – 3x^2 + 2x

Dennis_Churaev [7]

Let $f(x)=x^3-3x^2+2x=x(x-1)(x-2)$ . Suppose we define a new function that is $f$ transformed so that it is symmetric about the origin. This can be done with

$g(x)=f(x+1)=(x+1)(x)(x-1)$

Notice that $g$ is an odd function, since

$g(-x)=(-x+1)(-x)(-x-1)=-(x-1)(x)(x+1)$

So if $g(x)$ is symmetric about the origin, this means $f(x)$ must by symmetric about the point $(1,0)$ . This in turn means that the area between $f$ and the x-axis is the same from 0 to 1 as it is from 1 to 2. This means

$\int_0^2f(x)\,\mathrm dx=2\int_0^1f(x)\,\mathrm dx$

8 0

4 years ago

Slove the equation y+3=-y+9 on edge <br> A)y=1<br> B)y=3 <br> C)y=6 <br> D)y=9

Romashka [77]

Answer:

y + 3 = -y + 9

-y -y

3 = -2y + 9

+2y +2y

2y + 3 = 9

-3 -3

2y = 6

y = 3

5 0

3 years ago

Read 2 more answers

Help me choose a correct answer

Tanya [424]

Answer:

y≥-3x+4

Step-by-step explanation:

5 0

3 years ago

Breanna has $150 and she needs to save at least $560 for spring break trip if she can save $45 per week how long will it take he

melamori03 [73]

Answer: It will take her more than 9 weeks.

Step-by-step explanation:

If she already has $150 that will be constant and if she can save $45 per week the we will have the expression 45w where w is the number of weeks.

Together it will be 150 + 45w

Now the money has to be at least $560 so it will be

150 + 45w ≥ 560 Now solve for w

-150 -150

45w ≥ 410

w ≥ 9.1

Which means it will take 10 or more weeks t

3 0

4 years ago

Help me, please this is kinda hard

spayn [35]

Answer:

$x = 4.8$

Step-by-step explanation:

$\frac{3}{4} = \frac{3.6}{x}$

$3x = 14.4$

$x = 4.8$

5 0

3 years ago

Read 2 more answers