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Casio fx-9750G Manual

9. graph solve
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Graph Solve
You can use any of the following methods to analyze function graphs
and approximate results.
• Root extraction
• Determination of the maximum and minimum
• Determination of the
• Determination of the intersection of two graphs
• Determination of the coordinates at any point (
y
a given
)
• Determination of the integral for any range
9-1
Before Using Graph Solve
9-2
Analyzing a Function Graph
9-3
Graph Solve Precautions
Chapter
y
-intercept
y
x
x
for a given
/
for
9

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Summary of Contents for Casio fx-9750G

  • Page 1 Chapter Graph Solve You can use any of the following methods to analyze function graphs and approximate results. • Root extraction • Determination of the maximum and minimum • Determination of the -intercept • Determination of the intersection of two graphs •...

  • Page 2: Table Of Contents

    9-1 Before Using Graph Solve After using the GRAPH Mode to draw the graph, press ! 5 (G-Solv) to display the graph solve menu. !5(G-Solv) 1 2 3 4 5 6 1 (ROOT) ..Root 2 (MAX) ..Maximum 3 (MIN) ..Minimum 4 (Y-ICPT) ...

  • Page 3: 5(G-Solv)

    9-2 Analyzing a Function Graph The following two graphs are used for all of the examples in this section, except for the example for determining the points of intersection for two graphs. Memory location Y1 = Memory location Y2 = + 2) –...

  • Page 4: Max)

    9 - 2 Analyzing a Function Graph Search for the next root to the right. • If there is no root to the right, nothing happens when you press e. • You can use d to move back to the left. •...

  • Page 5: Min)

    9 - 2 Analyzing a Function Graph !5(G-Solv) 4 5 6 Specify the graph and determine the minimum. 3(MIN) cw • If there is more than one maximum/minimum, you can use d and e to move between them. • If there is only one graph, pressing 2 (MAX) / 3 (MIN) directly displays the maximum/minimum (selection of the graph is not required).

  • Page 6: Isct)

    9 - 2 Analyzing a Function Graph k k k k k Determining Points of Intersection for Two Graphs Example To draw the following three graphs and then determine the points of intersection for the Graph A and Graph C. View Window: (A) Graph A: Graph B:...

  • Page 7: (Y-Cal)

    9 - 2 Analyzing a Function Graph • Note that the above operation can be performed on rectangular coordinate (Y=) and inequality graphs only. k k k k k Determining a Coordinate ( for a given for a given Example To determine the -coordinate for = 0.5 and the...
  • Page 8 9 - 2 Analyzing a Function Graph Specify a graph. 2(X-CAL) cw • At this time, the unit waits for input of a -coor- dinate value. Input the -coordinate value. Determine the corresponding -coordinate value. • If there is more than one -coordinate value for a given -coordinate value or -coordinate value, use e and d...
  • Page 9 9 - 2 Analyzing a Function Graph k k k k k Determining the Integral for Any Range Example + 2) ( – 2) dx –1.5 View Window: (A) !5(G-Solv)6(g) 4 5 6 (Graph selection standby) Select graph. • The display is prompting input of the lower limit of the integration range.

  • Page 10: Graph Solve Precautions

    9-3 Graph Solve Precautions • Depending on the View Window parameter settings, there may be some error in solutions produced by Graph Solve. • If no solution can be found for any of the above operations, the message “Not Found” appears on the display. •...

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