Find the interval of increasing and decreasing of the given function by using T1-83 calculator.
The graph is increasing on and decreasing on
Given information: consider the function
Press the button and enter the function
Once this is done on the Window screen
X min =5
X max= 5
Y min = -5
Y max= 20
Adjust Xscl =1
This gives a rang that is good for many
Varied graph types
Set the window
Then click the GRAPH button.
For finding increase and decrease intervals, click the TRACE button and use the left and right buttons to find values.
So the graph is increase on , and decrease on , .
Thus, the graph is increasing on and decreasing on
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