Let for a continuous function

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

Problem

Let g(x)=∫2xf(t) dtg(x)=\int_{2}^{x} f(t)\,dt for a continuous function ff. Which of the following expressions is equal to g(8)−g(5)g(8)-g(5)? (a) ∫28f(t) dt\displaystyle \int_{2}^{8} f(t)\,dt (b) ∫58f(t) dt\displaystyle \int_{5}^{8} f(t)\,dt (c) ∫25f(t) dt\displaystyle \int_{2}^{5} f(t)\,dt (d) ∫85f(t) dt\displaystyle \int_{8}^{5} f(t)\,dt

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