Let be a continuous function on and define

MATHEMATICS · Single correct · AP · Calculus AB · Integration and Accumulation of Change · Integration and Accumulation of Change

Problem

Let ff be a continuous function on [2,7][2,7] and define F(x)=∫2xf(t) dtF(x)=\int_{2}^{x} f(t)\,dt. For 2<x<72<x<7, which of the following equals F′(x)F'(x)? (a) f′(x)f'(x) (b) f(x)f(x) (c) ∫2xf′(t) dt\displaystyle \int_{2}^{x} f'(t)\,dt (d) F(x)F(x)

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