Add or subtract as indicated. Simplify, if necessary.
- 
A. 18
B. 
C. 
D. 
Answer: B
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Decide whether the given functions are inverses.f = {(4, 8), (8, -2), (-2, -7)}g = {(8, 4), (-2, 8), (-7, 4)}
A. Yes B. No
The graph of a one-to-one function f is given. Sketch the graph of the inverse function f-1, on the same set of axes. Use a dashed line for the inverse.
A. 
B. 
C. 
D. 
Find functions f and g so that f ? g = H.H(x) = (5 - 2x3)2
A. f(x) = x2 ; g(x) = 5 - 2x3 B. f(x) = x3 ; g(x) = (5 - 2x)2 C. f(x) = (5 - 2x)3 ; g(x) = x2 D. f(x) = 5 - 2x3 ; g(x) = x2
Classify the sequence as arithmetic, geometric, Fibonacci, or none of these and supply the next term. ? 3, 15, 75, 375, ... ?
A. Fibonacci and a5 = 450 B. None and a5 = 98 C. Arithmetic and a5 = 380 D. Geometric and a5 = 1,125 E. Geometric and a5 = 1,875