The function f is one-to-one. Find its inverse.f(x) = (x - 6)3

A. f-1(x) =  + 6
B. f-1(x) =  + 216
C. f-1(x) =  - 6
D. f-1(x) =  + 6

Answer: D

Mathematics

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Solve the problem.Five friends drove at an average rate of 60 miles per hour to a weekend retreat. On the way home, they took the same route but averaged 70 miles per hour. What was the distance between home and the retreat if the round trip took 10 hours?

A. 646 miles
B. 5 miles
C. 323 miles
D. 4200 miles

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Find an equation for the hyperbola that has vertices (±3,0) and asymptotes y = ±5x.

What will be an ideal response?

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Solve the proportion equation. = 

A. 4.7 B. 21.45 C. 1.51 D. 2.15

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Simplify the expression. Assume that all variables represent nonnegative real numbers. y +  - 4y

A. (2x - y)(2x + y)
B. (3x - y)2
C. (3x - y)(3x + y)
D. (2x - y)2

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Mathematics