Answer
$$b)\ \frac{x}{x+1}$$
Work Step by Step
For answer b, you can solve it using the quotient rule, whereas for all the rest, they must be split up into a composition of two functions.
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 3 - Differentiation - 3.7 The Chain Rule - Preliminary Questions - Page 145: 2
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