AP Calculus ABhardmcq1 pt

Let ff be continuous with f(x)>0f''(x)>0 on [0,2][0,2]. If TT is the trapezoidal approximation of 02f(x)dx\int_0^2 f(x)\,dx with equal subintervals, which of the following must be true?

A.T>02f(x)dxT>\int_0^2 f(x)\,dx
B.T<02f(x)dxT<\int_0^2 f(x)\,dx
C.T=02f(x)dxT=\int_0^2 f(x)\,dx
D.It cannot be determined

Explanation

Core Concept

When ff is concave up, the trapezoids lie above the graph, so TT overestimates the integral.

Correct Answer

AT>02f(x)dxT>\int_0^2 f(x)\,dx

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