3 years ago

Given f(x)=x^4-7x^3+6x^2+8x+9

1 answer:

8 0

The workings to the answers are in the attachments below. Open them up in a new window to see them in full.

Lowest Point On The Graph:

(4.480878208, -61.32441280)

Highest Point On The Graph:

(1.155422854, 17.23818241)

2nd Lowest Point On The Graph:

(-0.3863010618, 7.23076164)

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The book fair sells 185 books and 58 posters how many more books than posters did they sell

PtichkaEL [24]

Answer:

127 more posters than books.

Step-by-step explanation:

185-58=127

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4 years ago

What are the coordinates of the midpoint of line segment AB?

GenaCL600 [577]

A = (2 , 8 )

B = ( 7 , -5 )

therefore, midpoint of AB

( x1 + x2/2 , y1 + y2/2 )

→ ( 2 + 7/2 , 8 + (-5)/2 )

→ 9/2 , 3/2

→ 4.5 , 1.5

so, option B is correct

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3 years ago

Lisa's car goes 300 miles on 15 gallons of gas . jazzys car goes 450 on 20 gallons whose car is more fuel efficient? Lisa's or j

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Jazzys car is most fuel efficient

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3 years ago

Verify that the divergence theorem is true for the vector field f on the region

vladimir2022 [97]

By the divergence theorem,

$\displaystyle\iint_{\partial\mathcal E}\mathbf f(x,y,z)\cdot\mathrm d\mathbf S=\iiint_{\mathcal E}\nabla\cdot\mathbf f(x,y,z)\,\mathrm dx\,\mathrm dy\,\mathrm dz$

where $\partial\mathcal E$ is the boundary of $\mathcal E$ . We have

$\nabla\cdot\mathbf f(x,y,z)=\dfrac{\partial(4x)}{\partial x}+\dfrac{\partial(xy)}{\partial y}+\dfrac{\partial(4xz)}{\partial z}=4+x+4x=5x+4$

so the flux is

$\displaystyle\int_{z=0}^{z=2}\int_{y=0}^{y=2}\int_{x=0}^{x=2}(5x+4)\,\mathrm dx\,\mathrm dy\,\mathrm dz=72$

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3 years ago

Use a calculator to find tan 72°. Round to the nearest thousandth.

Irina-Kira [14]

Answer:

3.078

Step-by-step explanation:

tan 72° = 3.078

3 0

4 years ago

Read 2 more answers