alleryDifferentiating f(x) = (2x + 1)^3 with the chain rule gives:
A2(2x + 1)^3
B6(2x + 1)^3
C6(2x + 1)^2
D3(2x + 1)^2
Answer & Solution
Correct answer: C. 6(2x + 1)^2
1. Differentiate the outside power first.
2. Then multiply by the inside derivative, 2.
3. It is 6(2x + 1)^2.
_Source: OpenStax Calculus Volume 1, Chapter 3, Derivatives._
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