Question

Find the function value. If the result is irrational round.

Answer 1

Given:

`f(x)=3^x`

f(-2) is the value of f(x) when x =-2.

Substituting we have:

`\begin{gathered} f(-2)=3^(-2) \\ =\text{ }(1)/(3^2) \\ =\text{ }(1)/(9) \end{gathered}`

Answer: f(-2) = 1/9