Texas Instruments TI-89 Titanium User Manual

Additional Graphing Topics 473
Drawing the Inverse of a Function
Execute
DrawInv from the Home screen or a program. You cannot draw an inverse
function interactively from the Graph screen.
DrawInv expression
For example, use the graph of y1(x)=.1x
3
–2x+6 as shown above.
2. On the Graph screen, press: 2 ˆ
and select
2:DrawFunc.
To display the Home screen and put
DrawFunc in the entry line, press:2 ˆ 2
3. On the Home screen, specify the function
to draw.
4. Press ¸ to draw the function on the
Graph screen.
You cannot trace, zoom, or perform a
math operation on a drawn function.
Note: To clear the drawn function, press
†
– or –
2 ˆ and select
1:ClrDraw
DrawFunc y1(x)N6

Texas Instruments TI-89 Titanium Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
CPU	Motorola 68000
CPU Speed	16 MHz
RAM	256 KB
Flash ROM	2.7 MB
Programming Language	TI-BASIC, Assembly
Power Source	4 AAA batteries
Connectivity	I/O port
Dimensions	7.5 x 3.5 x 1 inches