The important thing to remember for these graphs is the basic shape.
Remember that exponentials have

When | ![]() | (like | ![]() | or | ![]() | ), |
the basic shape of the graph looks like |
The bigger x gets, the faster the graph climbs | |
The x-axis is a horizontal asymptote. |
When | ![]() | (like | ![]() | ), the basic shape |
goes downhill: |