Approximating Areas with Riemann Sums

AP Calculus AB· difficulty 3/5

For a concave-up function, the trapezoidal rule gives an:

A
$Overestimate$
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B
$Cannot be determined$
C
$Underestimate$
D
$Exact value$

Explanation

For concave-up functions, the chord lies above the curve, so trapezoid sums overestimate.

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