Question

F(x)=5^x if F(-2) what does this equal

Answer 1

`(1)/(25)`

Explanation:

Using the rule of exponents

`a^(-m)` =
`(1)/(a^(m) )`, hence

f(- 2) =
`5^(-2)` =
`(1)/(5^(2) )` =
`(1)/(25)`