SAT Math Practice Question #37839 - SATify | SATify

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SAT Math Practice Question #37839 - SATify | SATify

#37839

exponential

functions

hard

90 sec

An exponential function passes through the points $(0, 7)$ and $(1, 21)$ . Which of the following equations represents this function?

A.

$y = 7 (3^{x})$

B.

$y = 21 (3^{x})$

C.

$y = 7 (1 4^{x})$

D.

$y = 14 (7^{x})$