SAT Math Practice Question #38896 - SATify | SATify

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SAT Math Practice Question #38896 - SATify | SATify

#38896

functions

exponential

easy

45 sec

Calculator OK

For the exponential function $f$ , the value of $f (0)$ is $k$ . Which of the following equivalent forms of the function $f$ shows the value of $k$ as the coefficient?

A.

$f (x) = 5 (2)^{x + 1}$

B.

$f (x) = 10 (2)^{x}$

C.

$f (x) = 20 (2)^{x - 1}$

D.

$f (x) = 40 (2)^{x - 2}$