In one or two sentences

MATHEMATICS · Subjective · AP · Calculus AB · Integration and Accumulation of Change · Integration and Accumulation of Change

Problem

In one or two sentences, explain why ∫abr(t) dt\displaystyle\int_{a}^{b} r(t)\,dt gives the net change of a quantity whose instantaneous rate of change is r(t)r(t) on the interval [a,b][a,b].

Related theory

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