SATify

Home Practice Exams Features Pricing Quick Start Guide About

Login Sign Up

Loading...

SAT Math Practice Question #39013 - SATify | SATify

#39013

expressions

algebra

exponential

functions

medium

60 sec

Calculator OK

For the exponential function $f$ , the value of $f (- 1)$ is $k$ , where $k$ is a constant. Which of the following equivalent forms of the function $f$ shows the value of $k$ as the coefficient?

A.

$f (x) = 300 (0.5)^{x}$

B.

$f (x) = 150 (0.5)^{x - 1}$

C.

$f (x) = 600 (0.5)^{x + 1}$

D.

$f (x) = 75 (0.5)^{x - 2}$