To graph the function using graphing device.
Given information : Use graphing device to graph the function .
Graph : Sketch the graph using graphing utility.
Step 1: Press WINDOW button to access the Window editor.
Step 2: Press button.
Step 3: Enter the expression which is required to graph.
Step 4: Press GRAPH button to graph the function.
The graph is obtained as:
From the above graph, it can be observed that the domain of is and the range is .
To state approximately the interval on which the function is increasing and on which the function is decreasing.
The function is decreasing on and increasing on .
Given information :
The function is .
The graph of the function is obtained as:
Using feature on the calculator, the lowest value is and .
From the above graph, it can be observed that the function is decreasing on and increasing on .
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