Using the TI-85 graphing calculator, graph the following functions

[Press here to see animation again!]

- If you are not familiar with the graphing of functions on the TI-85, then first read the Initial Setup page from Little's Basic Guide to the TI-85.
- Press the GRAPH key and then pick
**y(x)=**by pressing the F1 key. - If necessary, keep pressing the F4 key until only
**y1=**appears on the screen. - At the prompt
**y1=**, type in**(4/7)^x**and press the ENTER key.

- At the prompt
**y2=**, type in**(ln x)/(ln (4/7))**and press the ENTER key.

- The range settings for the graph above is
**[-3, 3]**×**[-3, 3]**: - Pick
**GRAPH**from the menu by pressing the F5.