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Marina CMI [18]

3 years ago

15

Use the graph below for this question: graph of parabola going through negative 2, 1 and 0, 1. What is the average rate of chang

e from x = −2 to x = 0?
1
0
−2
2

1 answer:

tia_tia [17]3 years ago

6 0

Rate of change = (y2 - y1) / (x2 - x1)
r = (1 - 1) / (0 - 2)
r = 0 / -2
r = 0

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Solve 20 - x/3 = x/2 , put the number only in the box.

Nikitich [7]

Answer:

<h2>x = 24</h2>

Step-by-step explanation:

$20 - \frac{x}{3} = \frac{x}{2}$

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3 years ago

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Dy/dx = y/x , y(1) = −2

s2008m [1.1K]

Start with

$\dfrac{dy}{dx}=\dfrac{y}{x}$

Separate the variables:

$\dfrac{dy}{y} = \dfrac{dx}{x}$

Integrate both parts:

$\displaystyle \int \dfrac{dy}{y} = \int\dfrac{dx}{x}$

Which implies

$\log(y) = \log(x)+c$

Solving for y:

$y = e^{\log(x)+c} = e^{\log(x)}e^c=xe^c$

Since $e^c$ is itself a constant, let's rename it $c_1$ .

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B.
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Subtract 63 from both sides and you will be left with
35=7x
Divide each side by 7 (you pretty much just divide 35 by 7)

And x=5

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3 years ago

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