Casio CFX-9850G PLUS Graph Manual
9. graph solve
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Also See for CFX-9850G PLUS:
- User manual (85 pages) ,
- Calculations manual (72 pages) ,
- Programming manual (48 pages)
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Graph Solve
You can use any of the following methods to analyze function
graphs and approximate results.
• Calculating the root
• Determination of the local maximum value and local minimum
value
• Determination of the
• Determination of the intersection of two graphs
• Determination of the coordinates at any point (
x
y
for a given
)
• Determination of the integral for any range
9-1
Before Using Graph Solve
9-2
Analyzing a Function Graph
Chapter
y
-intercept
y
x
for a given
/
9
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Summary of Contents for Casio CFX-9850G PLUS
- Page 1 Chapter Graph Solve You can use any of the following methods to analyze function graphs and approximate results. • Calculating the root • Determination of the local maximum value and local minimum value • Determination of the -intercept • Determination of the intersection of two graphs •...
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Page 2: Before Using Graph Solve
9-1 Before Using Graph Solve After using the GRAPH Mode to draw the graph, press ! 5 (G-Solv) to display a function menu that contains the following items. • {ROOT}/{MAX}/{MIN}/{Y-ICPT}/{ISCT} ... {root}/{local maximum value}/{local minimum value}/{y-intercept}/{intersections of two graphs} ∫ •... -
Page 3: Analyzing A Function Graph
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 = Y2 = + 2) –... - Page 4 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 9 - 2 Analyzing a Function Graph Specify the graph and determine the local minimum value. !5(G-Solv) 3(MIN) cw • If there is more than one local maximum/minimum value, you can use d and e to move between them. • If there is only one graph, pressing 2 (MAX) / 3 (MIN) directly displays the local maximum/minimum value (selection of the graph is not required).
- Page 6 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 Y1 and Graph Y3. View Window: (A) Y1 = Y2 =...
- Page 7 9 - 2 Analyzing a Function Graph k k k k k Determining a Coordinate ( for a given for a given Example To determine the -coordinate for = 0.5 and the -coordinate for y = 3.2 in the graph y = x (x + 2) (x – 2) View Window: (B) !5(G-Solv)6(g)1(Y-CAL) Specify a graph.
- Page 8 9 - 2 Analyzing a Function Graph • If there is more than one -coordinate value for a given -coordinate value or -coordinate value, use e and more than one -coordinate value for a given d to move between them. •...
- Page 9 9 - 2 Analyzing a Function Graph Input the upper limit and determine the integral. e~e(Upper limit; = 0) • The lower limit must be less than the upper limit when specifying the integration range. • Note that the above operation can be performed on rectangular coordinate (Y=) graphs only.