The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Answer: D
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Solve the problem.Rachel's bus leaves at 7:25 PM and accelerates at the rate of 3 meters per second per second. Rachel, who can run 8 meters per second, arrives at the bus station 3 seconds after the bus has left. Find parametric equations that describe the motions of the bus and Rachel as a function of time. Determine algebraically whether Rachel will catch the bus. If so, when?
A. Bus: x1 = 
t2, y1 = 2; Rachel: x2 = 8(t - 3), y2 = 4
Rachel will catch the bus at 7:30 PM
B. Bus: x1 = 
t2, y1 = 2; Rachel: x2 = 8(t - 3), y2 = 4
Rachel won't catch the bus.
C. Bus: x1 = 3t2, y1 = 2; Rachel: x2 = 4(t - 3), y2 = 4
Rachel will catch the bus at 7:29 PM
D. Bus: x1 = 
t2, y1 = 2; Rachel: x2 = 8(t + 3), y2 = 4
Rachel won't catch the bus.
Calculate 
.A = 
A. -41 B. 41 C. -29 D. -39
Solve. If an object is propelled upward from a height of 240 feet at an initial velocity of 32 feet per second, then its height h, in feet, after t seconds is given by the expression 
Factor the expression. After how many seconds will the object hit the ground?
A. -16(t - 3)(t + 5); 3 sec B. -16(t - 3)(t - 5); 3 sec C. -16(t + 3)(t + 5); 5 sec D. -16(t + 3)(t - 5); 5 sec
Solve the quadratic equation by any method.-14x = x2 + 21
A. 2
± 7
B. -7 ± 2
C. -7 ± 2
D. ±2