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