Simplify. (Assume all variables are nonzero.)
2
A. 2
B. 
C. 
D. 
Answer: C
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A basketball is tossed onto the hardwood, where it bounces several times. We measure its location as distance up from the floor. When the ball is at the peak of its bounce, what can be said about its velocity?
A. Velocity is positive. B. Velocity is negative. C. Velocity is 0. D. None of the above.
Solve the problem.At time t, the position of a body moving along the s-axis is 
m. Find the body's acceleration each time the velocity is zero.
A. a(4) = 24 m/sec2, a(8) = 4 m/sec2 B. a(2) = -6 m/sec2, a(4) = 6 m/sec2 C. a(2) = 0 m/sec2, a(4) = 0 m/sec2 D. a(2) = 6 m/sec2, a(4) = -6 m/sec2
Graph the expression on each side of the equals symbol to determine whether the equation might be an identity.
= tan ?
A. Not an Identity B. Identity
Use the two given functions to write y as a function of x.y = -2t + 5, t = -6x - 4
A. y = 12x + 1 B. y = -2x + 13 C. y = 12x + 13 D. y = 12x - 6