A pump moves water at a rate of gallons per minute

MATHEMATICS · Single correct · AP · Calculus AB · Applications of Integration · Applications of Integration

Problem

A pump moves water at a rate of

r(t)

gallons per minute, where

t

is measured in minutes. What are the units of the definite integral

\displaystyle \int_{2}^{6} r(t)\,dt

? (a)

(\text{gallons})(\text{minutes})

(b)

\text{gallons per minute}

(c)

\text{gallons}

(d)

\text{minutes per gallon}