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Your function is not correctly defined. If graph is function y=f(x), variable must be x; if graph is polar, variable must be theta, and if graph is parametric, variable must be t. This does not cover all possible cases. Check the graph type and the definition of the function.
No. The graph of a circle is a graph, one which can have two different values for certain arguments. The graph of the top or bottom half of a circle can be considered a graph of a function.
A linear function in standard form is of the form Ax+By+C=0, where A is a positive integer, B and C are integers (positive or negative). The problem is that calculators graph a function given in functional form y= ax+b.Thus to graph a function in standard form by means of a graphing utility you must isolate the y variable. The interesting thing about the Prizm (Casio graphing calculator) is that you select which variable to isolate y (usually) or x if you so choose. To choose to graph the function x=Dy+E you must select the function type as X=.
Turn calculator ON If you see no icons, press Menu Press 3 (Graph) draw your function. (more on that later). If the first line of the display show Graph Func : Y= you should be able to draw your function. If it says anything else, press F3 TYPE to select the graph type and select functional by pressing F1 key Y=. After the graph type is set to Y=, type the second member of your function y= f(x) on the first line. Make sure the = sign after Y1= remains highlighted after you move cursor. Otherwise select the function by pressing F1:SEL. Press F6 Draw. Be careful with trigonometric functions. If angle unit is radian, set window Zoom to standard. If angle unit is degree, you must open the Window utility and set Xmin=-190, Xmax = 190 to see at least a period.
All graphs, except the linear function y=ax+b, are non-linear. To graph a function, just enter the GRAPH utility, type in the functions Y1=, Y2=, ... and press the Draw tab. If you have a specific question, ask it.
After entering the first function to graph press the down arrow and when the cursor blinks after Y2 type in the second function you wish to graph. After you finished entering multiple functions make sure the graph setting under the window button are set correctly so every function will be visible at the interval you set. After that you hit Graph and you should see your graphs being plotted.
Thisshould help you setup your calculator to do graphing.
Prepare calculator to graph
Turn StatPlotsOff
to
avoid errors: Press
[2nd][STATPLOT][4:PlotsOff][ENTER].
Setup
Graph type
Press [MODE] key.
In Mode set up screen, make set the angle unit (if you
are drawing trigonometric functions)..
Use the arrows to move cursor to 3rd line to highlight
degree or radian and press [ENTER]. The important thing is that you be
aware of the unit so that you do not get unexpected results.
On same screen, verify that Func
is highlighted. If you are drawing PARametric plots, POLar plots or
SEQuence plots, you highlight the relevant item in the list
If it is not, use arrow to highlight Func
and press
[ENTER] to validate.
Do not worry if you do not have exactly the same screen
as in the screen picture (We may have different OS Versions)
Entering
the functions to draw (assuming you want to draw y= functions)
Press [Y=] to enter function editor.
Type in a function
Press
[ENTER] at the end of each function.
Before pressing [GRAPH], make
sure that all the = signs that define the functions to be graphed are
highlighted white on black. If one is not highlighted, use arrow to move
cursor on the sign and press [ENTER].
In the screen capture 4 functions are slated to be
drawn.
Selecting
the Graph Style (You may ignore this now, because it is unimportant for
just one graph)
Select the graph style:
The small piece of line to the left of a Y that defines a function is
the style.
Move cursor on it and press [ENTER] .
Each [ENTER] (on same
line) selects another style.
On the next screen you have all the styles available on
the calculator.
Do not select the bubble on line 6: It is for
animations. It will not leave a trace at the end of the plot.
Drawing
the Graphs
Press [GRAPH] to see the graphs.
If one of them is missing, verify that its = is still
highlighted, then
use the [WINDOW] to set the Window dimensions,
Here are the dimensions of the standard window
ZOOMING
You can also press [ZOOM] to adjust.
The
selection 6:ZStandard sets the dimensions as on the screen
Titled Window (above).
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