8. Select all functions that are one-to-one (i. e., have an inverse that is also a function) for all values of x.
A. f(x) = log2 *
B. f(x) = Vx - 3 C. y = x - 51
D. f(x) = 3x - 1
E. f(x) = x2 + 2x - 5 F. f(x) = x3 - 2x + 64
-2-

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