SOLUTION: How do you use a graphing calculator to graph f(x)=x^7-2x^5 on an interval of (-2,2)? I am unfamiliar with my ti-83 graphing calculator, and do not know how to plug this in. Also,

Question 579793: How do you use a graphing calculator to graph f(x)=x^7-2x^5 on an interval of (-2,2)? I am unfamiliar with my ti-83 graphing calculator, and do not know how to plug this in. Also, I do not know how to find the max and min. Can you please help me to understand how to do this?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How do you use a graphing calculator to graph f(x)=x^7-2x^5 on an interval
of (-2,2)? I am unfamiliar with my ti-83 graphing calculator, and do not know how to plug this in.
-------------------------------
Keys will be in CAPS; Instructions will be in lower case:
I assume you have the computer ON.
To graph x^7-2x^5
Y=
x^7-2x^5
WINDOW
X-Min=-2
X-Max=2
Y-Min=-10
Y-Max=10
GRAPH
Also, I do not know how to find the max and min.
-------------------------
2ND/CALC (press 2nd then Calc
3:Minimum
Move cursor to the left of the visible minimum by watching
the y-values.
ENTER
Move cursor to the right of the visible minimum by watching
the y-values.
ENTER
ENTER
You should see x = -0.2553; y = -0.0021 as the minimum point.
========================
2ND/CALC (press 2nd then Calc
4:Maximum
Move cursor to the left of the visible maximum by watching
the y-values.
ENTER
Move cursor to the right of the visible maximum by watching
the y-values.
ENTER
ENTER
You should see x = -1.1952; y=1.3939
==========
Use the same procedure to determine other minimums
or maximums.
====================================================
Cheers,
Stan H.

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