SAT Math Practice Question #35109 - SATify | SATify

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SAT Math Practice Question #35109 - SATify | SATify

#35109

functions

exponential

hard

90 sec

For the function $f$ defined by $f (x) = 2 (3^{x})$ , if $f (k) = 162$ , what is the value of $k$ ?

A.

2

B.

3

C.

4

D.

5