The graph of a rational function y = f(x) is given below. Use the graph to give the solution set of 
and 
Use set notation for part (a) and interval notation for parts (b) and (c).
A. (a) ? (b) (-?, 3) (c) (3, ?)
B. (a) ? (b) (3, ?) (c) (-?, 3)
C. (a) {-?, ?} (b) (3, ?) (c) (-?, 3)
D. (a) {?} (b) (3, ?) (c) (-?, 3)
Answer: B
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Find the inverse of the function.f(x) = 
A. f-1(x) = (x + 8)3
B. f-1(x) = 
- 8
C. f-1(x) = x3 + 8
D. f-1(x) = (x - 8)3
Factor completely.x2 + 7xy - 144y2
A. (x - 16y)(x + y) B. (x + 16y)(x - 9y) C. prime D. (x - 16y)(x + 9y)
Solve the problem.During a science competition, a student's mini-rocket was shot straight up from the ground at a speed of 500 feet per second. Ignoring air resistance, the height (in feet) of the mini-rocket at time t is given by 
What is the height of the mini-rocket 4 seconds after launch?
A. 1936 ft B. 2000 ft C. 1744 ft D. 1844 ft
Find the sum of the sequence.
A. -10 B. -3 C. -4 D. -12