Approximate the area under the curve from to using left-endpoint rectangles.

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

Problem

1. Approximate the area under the curve

y=3+x^{2}

from

x=1

x=5

using

n=4

left-endpoint rectangles. (A) 21 (B) 33 (C) 42 (D) 66