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Exponential Functions

13. Inverse, Exponential, & Logarithmic Functions / Exponential Functions / 문제 1

문제 1

Which of the following is an exponential function?

A

$f (x) = 5^{x}$

B

$f (x) = x^{5}$

C

$f (x) = 1^{x}$

D

$f (x) = (- 3)^{x}$