SAT Math Practice Question #21160 - SATify | SATify

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SAT Math Practice Question #21160 - SATify | SATify

#21160

functions

exponential

medium

90 sec

An exponential function $h$ has an initial value of 25. Which of the following equations could define $h$ ?

A.

$h (x) = 25 \cdot (0.8)^{x}$

B.

$h (x) = 0.8 \cdot (25)^{x}$

C.

$h (x) = 25 \cdot (0.8)^{x + 1}$

D.

$h (x) = (25)^{x}$