particle is decreasing when
(A) − 1 < t < 1
(B) − 1 < t < 0
(C) t < 0
(D) t > 0
(E) |t| > 1- A rectangle with one side on the x-axis is inscribed in the triangle formed by the lines y = x, y
= 0, and 2x + y = 12. The area of the largest such rectangle is
(A) 6
(B) 3
(C)
(D) 5
(E) 7
CHALLENGE
- The x-value of the first-quadrant point that is on the curve of x^2 − y^2 = 1 and closest to the
point (3, 0) is
(A) 1
(B)
(C) 2
(D) 3
(E) none of these - If y = ln(4x + 1), then is
(A)
(B)
(C)
(D)
(E) - The region bounded by the parabolas y = x^2 and y = 6x − x^2 is rotated about the x-axis so that a