Texas Instruments Titanium TI-89 User Manual

Additional Graphing Topics 488
Drawing the Inverse of a Function
Drawing the Inverse of a FunctionDrawing the Inverse of a Function
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 Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)