Inverse Functions

Michigan State University - Diagnostic Exam

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3.14

If $f(x ) = 3x - 1$ then the inverse function is given by the formula $-1 f (x) =$ (?).
a) $- x ----- 1 3$ b) $x --- 1 3$ c) $1 -(x + 1) 3$ d) $- 1 --- (x - 1 ) 3$ e) $1 ------- 3x - 1$

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July 16, 2008