(A)
(B)
(C)
(D)
(E)
25.
(A)
(B)
(C)
(D)
(E)
26.
(A)
(D)
(E)
27.
(A)
(B)
(C)
(D)
(E)
28.(A)
(B)
(C)
20π
The base of a solid is a circle of radius a, and every plane section
perpendicular to a diameter is a square. The solid has volume
2πa^3
4πa^3
The base of a solid is the region bounded by the parabola x^2 = 8y and the
line y = 4, and each plane section perpendicular to the y-axis is an
equilateral triangle. The volume of the solid is
32
The base of a solid is the region bounded by y = e−x, the x-axis, the y-
axis, and the line x = 1. Each cross section perpendicular to the x-axis is a
square. The volume of the solid is
e^2 − 1
BC ONLY QUESTIONS 28–38
ARC LENGTH
The length of the arc of the curve y^2 = x^3 cut off by the line x = 4 is