Question

3, 9, 27, 81...

Which exponential function describes the given sequence?
A) y = (- 1/ 3 )^x
B) y = 1 /3 ^x
C) y = (-3)^x
D) y = 3^x

Answer 1

Like the other person said, the answer is D.


9/3=3
27/9=3
81/27=3

Hope this helps.