Casio fx-9750G PLUS - Manual (Page 185)

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3. Press w to draw the line.
u u u u u
To draw a line normal to a curve in the RUN or PRGM Mode
The following is the syntax for drawing a line normal to a curve in these modes.
Normal , < x -coordinate>
• Use the variable data (VARS) menu to specify the function to be graphed.
k k k k k
Graphing an Inverse Function
[Sketch]-[Inv]
This function lets you graph the inverse of the function used to produce your
original graph.
u u u u u To graph an inverse function in the GRAPH or TABLE Mode
Example To graph the inverse of y = x ( x + 2)( x – 2)
After graphing the function, display the sketch menu and press 4 (Inv).
• When graphing an inverse function when there is more than one graph function
stored in memory, select one of the functions and then press w.
u u u u u To graph an inverse function in the RUN or PRGM Mode
The following is the syntax for graphing an inverse function in these modes.
Inverse
• Use the variable data (VARS) menu to specify the function to be graphed.
• You can only graph the inverse of functions whose graph type is specified as
rectangular coordinate type.
Graphing with the Sketch Function
10 - 2
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