Texas Instruments TI-89 Voyage 200, User Manual

Page: 488 / 1008

Additional Graphing Topics 488
Drawing the Inverse of a Function
Drawing the Inverse of a Function Drawing 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) N 6