Question

Please help me :) with this math problem, it's exponential functions.

Answer 1

f(x) = 9(5/3)^x

Explanation:

f(x) = a(b^x)

x = 0

9 = a(b⁰)

9 = a

f(x) = 9(b^x)

x = 1

15 = 9(b¹l

b = 15/9

b = 5/3

f(x) = 9(5/3)^x