2. what is the exact area of a circle having radius 7 in.?
a 491 in 2
b 221 in 2
c 154 in.2
d 441 in.

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe