If f(x) = x-!/3, what is the derivative of the inverse of f(x)?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 3CC: If xis large, which function grows faster, f(x)=2x or g(x)=x2?
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i got 1/3x^-2/3 and got the question wrong, but i dont understnad why.

If f (x) = x¯1/3, what is the derivative of the inverse of f(x)?
Transcribed Image Text:If f (x) = x¯1/3, what is the derivative of the inverse of f(x)?
Expert Solution
Step 1

You got it wrong because the question is to find the derivative of inverse of f, but you calculated the derivative of f.

First we will find the inverse of f and then find its derivative.

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