Question

How to sketch `y=3^x` ?

Answer 1

The function `y=3^x` is an exponential function as so exhibits the properties of exponentials:

When `x=0 => y=3^0 =`
As x increases, `=> y ~ oo` at an exponential rate
As `y -> -oo => y->0`

And so we can sketch the graph:

graph{3^x [-10, 10, -2, 10]}