If F(x) = \inta^x f(t)\,dt, then F'(x) equals:

f(x) By the Fundamental Theorem of Calculus, F'(x) = f(x).

FTC and Definite Integrals

AP Calculus AB· difficulty 3/5

F(x) = \int_a^x f(t)\,dt

Explanation

F'(x) = f(x)

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