Question: Let function f(x) be defined by the equation f(x) =x 2 1. If b is a positive real number, then f(1/b) = A) B)

Let function f(x) be defined by the equation f(x) =x− 1. If b is a positive real number, then f(1/b) =

A) B) C) D) (b-1)(b +1) b (1-b)(1+b) b b-1 b b-1

A) B) C) D) (b-1)(b +1) b (1-b)(1+b) b b-1 b b-1 b

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