Question

What is the value of f(x) = 
`9^(x)` when x = -2?


`(1)/(81)`

81


`(1)/(18)`

18

Answer 1

Hello!

We put -2 in for x


`9^(-2)`

9 to the power of -2 is
`(1)/(81)`

The answer is A) 1 / 81

Hope this helps!