The Chain Rule

AP Calculus AB· difficulty 3/5

g(2) = 5

A
$21$
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B
$10$
C
$35$
D
$15$

Explanation

(f \circ g)'(2) = f'(g(2)) \cdot g'(2) = f'(5) \cdot g'(2) = 7 \cdot 3 = 21

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