Question

Which exponential function matches the values in the table below?

Answer 1

We have the following:

What we must do is evaluate in each function and check the values

$\begin{gathered} f(x)=(\frac{1}{3})^{-x} \\ f(4)=(\frac{1}{3})^{-4}=81 \\ f(-2)=(\frac{1}{3})^{-2}=9 \\ \text{TRUE} \end{gathered}$

The answer is the option F