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Find F -1 ( X ) $f ( x ) = - \frac { 9 } { 10 } x$

Question 127

Multiple Choice

Find f -1 ( x ) . $f ( x ) = - \frac { 9 } { 10 } x$

A) $f ^ { - 1 } ( x ) = \frac { 9 } { 10 } x$
B) $f ^ { - 1 } ( x ) = \frac { 10 } { 9 } x$
C) $f ^ { - 1 } ( x ) = - \frac { 10 } { 9 } x$

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