Determine Whether the Given Function Is One-To-One $\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = - 4 \mathrm { x }$

question 106

Multiple Choice

Determine whether the given function is one-to-one. If it is one-to-one, find its inverse function.
-f(x) = 4x

• A) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = - 4 \mathrm { x }\)
• B) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { \mathrm { x } } { 4 }\)
• C) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 4 } { \mathrm { x } }\)
• D)not a one-to-one function

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