Respuesta :

choixongdong

f(x) = 3^x

when f(x) = 9 then

9 = 3^x

3^2 = 3^x

2 = x

or

x = 2

Answer

A. 2

tarhunbalthazar

A) 2 because the equation is 3^x and what make 9 from 3, 3 x 3, or three squared.

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