Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter7: Exponents And Exponential Functions
Section: Chapter Questions
Problem 67SGR
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Step 1
By power rule, d/dx (xn) = n . xn-1
By chain rule, d/dx (f(g(x)) = f ' (g(x)) . g'(x)
We use these two rules to find the derivative in part (a).
We just substitute r = 2 in the answer of part (a) to get the answer for part (b).
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