The function f is one-to-one. Find its inverse.f(x) = (x + 2)3 - 8.
A. f-1(x) = 
- 2
B. f-1(x) = 
+ 8
C. f-1(x) = 
D. f-1(x) = 
Answer: A
Mathematics
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Find the amplitude, period or displacement.Find the amplitude of y = 5 sin (3x + ?).
A. 15 B. 3 C. 5 D. ?
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Use a graphing calculator to solve the equation.2x2 = -9x - 9
A. 3, 
B. - 
, -3
C. -3, -6
D. 3, - 
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Graph the function and estimate.Graph the function based on the table of values. Assume that the domain and range are all real numbers. After you have finished the graph, estimate the value of f(x) when x = 2.
A. 
f(2) = -1
B. 
f(2) = -5
C. 
f(2) = 4
D. 
f(2) = 1
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Determine if the given value is a solution to the equation.8x + 8 = 9(x + 1); x = -1
A. Yes B. No
Mathematics