jdchacon117 jdchacon117
  • 09-01-2019
  • Mathematics
contestada

The graph shows the function f(x)=3^x
What is the value of x when f(x)=9?
A:3
B:1
C:0
D:2

Respuesta :

MellyAngel
MellyAngel MellyAngel
  • 09-01-2019
The answer is D.
You have to make the whole numbers equal to then solve for the exponents:
F(x) means y, therefore, y is 9.
9 = 3^x.
3^2 is the same as 9.
Then, 3^2 = 3^x.
Then solve for the exponents,
2 = x
Therefore your answer is 2.
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