The area in the first quadrant bounded by the curve with parametric equations x = 2a tan θ and y
= 2a cos^2 θ, and the lines x = 0 and x = 2a, is equal to
(A) πa^2
(B) 2πa^2
(C)
(D)
(E) none of these
The base of a solid is the region bounded by x^2 = 4y and the line y = 2, and each plane section
perpendicular to the y-axis is a square. The volume of the solid is
(A) 8
(B) 16
(C) 20
(D) 32
(E) 64
An object initially at rest at (3,3) moves with acceleration Where is the object at t =
2?
(A) (4,e −2)
(B) (4,e −2 + 2)
