16 cubic inches or 13 oz.
B. 90/360, because this is 1/4 from circle. It's even shown in the picture.
Example: If you take a protractor at 180°, then if you mirror it, then 360° will comeout, i.e. a circle.
First you find what fits the qualifications of the function.
Part 1: f(0) fits with x<= 1, so you simply plug in 0 for that function.
(0)^2 = 1
Part 2: f(x) = 1
That means there is a horizontal straight line intersecting (0,1)
2 1/2 pounds is 2.5*16=40 ounces. 40 ounces split into 4 pieces is 10 ounces each.