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Graph Analysis Tool Graph Screen Operations

5.Press 6(DRAW).

• This draws a quadratic regression graph and overlays it over the original graph.

To delete the overlaid quadratic regression graph, press !4(SKTCH) and then 1(Cls).

kOverlaying a Y=f(x) Graph on a Sampled Result Graph

Use the following procedure when you want to overlay a Y=f(x) graph on the sampled result graph.

u To overlay a Y=f(x) graph on an existing graph

1.On the graph screen, press K, and then 5(Y=fx).

This displays the graph function list. Any functions you have previously input on the graph function list appear at this time.

2.Input the function you want to graph.

To input a function, use the f and c cursor keys to move the highlighting to the line where you want to input it, and then use the calculator keys for input. Press w to store the function.

3.On the graph function list, specify which functions you want to graph.

Graphing is turned on for any function whose “=” symbol is highlighted. To toggle graphing of a function on or off, use the f and c cursor keys to move the highlighting to the function, and then press 1(SEL).

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