Texas Instruments TI-89 User Manual

Additional Graphing Topics

 487

To switch the active sides, press 

2 a or use the 

 function, 

 or 

.

Drawing a Function or Inverse on a Graph

Drawing a Function or Inverse on a Graph

Drawing a Function or Inverse on a Graph

Drawing a Function or Inverse on a Graph

For comparison purposes, you may want to draw a function over your current graph. 
Typically, the drawn function is some variation of the graph. You can also draw the 
inverse of a function. (These operations are not available for 3D graphs.)

Drawing a Function, Parametric, or Polar Equation

Drawing a Function, Parametric, or Polar Equation

Drawing a Function, Parametric, or Polar Equation

Drawing a Function, Parametric, or Polar Equation

Execute 

, 

, or 

 from the Home screen or a program. You 

cannot draw a function or equation interactively from the Graph screen.

 

 

, 

 [,

] [,

] [,

]

 

 [,q

] [,q

] [,q

]

For example:

1. Define 

3

 on the Y= Editor, 

and graph the function.