Draw the graphs of the function

and its derivative on the closed interval **[-2,2]**.

- 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. - Be sure that
**PLOTS 1, 2**and**3**are turned-off. - At the prompt
**\y1=**, type in**abs x**and press the ENTER key.

There are two ways to enter "abs" :

- Press 2nd MATH, then F1, and then F5.
- Or, you can simply type in "a" "b" "s", but be sure you use lower case lettering.

- At the prompt
**\y2=**, type in**der1(y1,x,x)**You can simply type in "der1" or it can be found by pressing 2nd CALC and then F3.

- The
**WINDOW**settings for the graph above is**[-2, 2]**×**[-3, 3]**:Go to the

**WINDOW**menu by pressing 2nd M2. - Press the F5 key to pick
**GRAPH**from the menu. You should see the graphs

This page was created with the help of Chris O'Brien.