Question

If (-2, y) lies on the graph of `y = 4^x`, then what is y?

Answer 1

`y=1/16`

Explanation:

`(-2,y)` is found through plugging in `-2` for `x`.

`y=4^-2`

To find `4^-2`, move the negative exponent to the denominator.

`y=1/4^2`

`y=1/16`