The region in the first quadrant is bounded above by and below by the -axis on

MATHEMATICS · Subjective · AP · Calculus AB · Applications of Integration · Applications of Integration

Problem

The region in the first quadrant is bounded above by

y = 2x

and below by the

x

-axis on

0 \le x \le 1

. When this region is revolved about the horizontal line

y = 3

, determine the expression for the inner radius

r(x)

of a typical washer in terms of

x