Question
Asked Sep 28, 2019
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8.
Write the function in the form y = f(u) and u g(x). Then find
as a function of x
dx
ye10x
Which of the following has the function in the form y f(u) and u g(x)?
O A. ye,u= -10x
O B. y-e, u 10x
=
O C. y 10u, u = e
-X
O D. y-10u, u e*
dy
Find
dx
dy
dx
(Type an exact answer in terms of e.)
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8. Write the function in the form y = f(u) and u g(x). Then find as a function of x dx ye10x Which of the following has the function in the form y f(u) and u g(x)? O A. ye,u= -10x O B. y-e, u 10x = O C. y 10u, u = e -X O D. y-10u, u e* dy Find dx dy dx (Type an exact answer in terms of e.)

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Expert Answer

Step 1

Given,

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Differentiating on both sides with respect to x, we get d(e-10x) dy dx dx dx = e-10x x (-10) -10e-10x

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Step 2

Now,

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f (u) = g(x) and y Since, u It means that u is a function of x and f(u) is a function of u Checking Option, A When u 10x = Then y e10x = e" = f(u) g(x) and y f(u) So, option A satisfies the condition u Checking Option, B When u = 10x Then y e10x = e-" = f(u). g(x) and y f(u). So, option B satisfies the condition u =

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Step 3

Again

...
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Checking Option, C When u ex Then y e-10x. 10u = 10e* So, in the option Cy 10u # e-10x Checking Option, D When u e e-10x Then y 10u = -10e* So, in the option Dy = -10u e-10x

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