Question

If (-3,y) lies on the graph of y = 3^-x, then y equals what?

Answer 1

Given:

The point (-3, y) lies on the graph of the following function:

$y=3^{-x}$

We will find the value of (y) when x = -3

So,

$y=3^{-(-3)}=3^3=27$

So, the answer will be: y = 27