2 years ago

What is the rate of change for the equation f(x)=-4x+3?

Mathematics

1 answer:

Alenkinab [10]2 years ago

8 0

-4 is the rate of change otherwise known as the slope

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3. Determine which ordered pair is not a solution of y = –5x – 4.

erastovalidia [21]

Answer:

Step-by-step explanation:

Let's try choice A.

y = -5x-4

(10, -52)

-52 = -5(10)-4

-52 = -50-4

-52= -54

-52 is not equal to -54, so A is the answer.

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Find dy/dx <br>2^(xy) = x^2

Dovator [93]

$2^{xy}=x^2$
$e^{\ln2^{xy}}=x^2$
$e^{xy\ln2}=x^2$

Differentiate, using the chain rule on the left side:

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$e^{xy\ln2}\dfrac{\mathrm d}{\mathrm dx}[xy\ln2]=2x$
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$x\ln2\dfrac{\mathrm dy}{\mathrm dx}+y\ln2=2xe^{-xy\ln2}$
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$\dfrac{\mathrm dy}{\mathrm dx}=\dfrac1x\left(\dfrac{2^{xy+1}}{\ln2}-y\right)$

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