Write an Equation of the Inverse for the One-To-One Function $$z ( x ) = \frac { 1 } { 5 } x - 2$$

question 10

Multiple Choice

Write an equation of the inverse for the one-to-one function as defined. $$z ( x ) = \frac { 1 } { 5 } x - 2$$

• A) \(z ^ { - 1 } ( x ) = x - 10\)
• B) \(z ^ { - 1 } ( x ) = 5 ( x + 2 )\)
• C) \(z ^ { - 1 } ( x ) = 5 x + 2\)
• D) \(z ^ { - 1 } ( x ) = 5 x - \frac { 1 } { 2 }\)

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