Assume That the Domain Of $f$ And $f ^ { - 1 }$

question 7

Multiple Choice

Assume that the domain of $f$ and $f ^ { - 1 }$ is $( - \infty , \infty )$ . Solve for t. $$f \left( \frac { 6 - 2 t } { 6 + 2 t } \right) = 12 ; f ^ { - 1 } ( 12 ) = - 3$$ .

• A) t = - 6
• B) t = 12
• C) t = 7
• D) t = - 7
• E) t = -7

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