Find f-1(x) for the following one-to-one function f.f(x) = x3 - 8
A. f-1(x) = x3 + 8
B. f-1(x) = 
+ 8
C. f-1(x) = 
D. f-1(x) = 
Answer: C
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Solve the problem.A company has 23,500 employees. The average length of service for the employees is 9.3 years with a standard deviation of 4.2 years. Find the length of service (to the nearest one-tenth of a year) for an employee whose time in service has a z-score of 1.5.
A. 7.8 years B. 15.6 years C. 15.7 years D. 13.5 years
Translate the phrase; then simplify.Subtract 40 from -18.
A. -22 B. -58 C. 58 D. 22
Write the first four terms of the geometric sequence.a = -4, r > 0, a4 = -108
A. -12, -36, -108, -324 B. -4, 12, -36, 108 C. -4, -12, -36, -108 D. 4, -12, 36, -108
Find the x-intercepts and y-intercepts of the graph of the equation.-2x + 2y = -2
A. x-intercept: -3; y-intercept: -8 B. x-intercept: -8; y-intercept: -3 C. x-intercept: 1; y-intercept: -1 D. x-intercept: -1; y-intercept: 1