i) Example 1: Graph
the function 
.
You should note that the domain is 
,
so your window should reflect this.
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Enter the function.
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Set a window.
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Graph.
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ii) Example 2:
Graph the function 
.
You can enter the function as a radical or with an exponent. In this example,
the function is entered using an exponent. The domain is all real numbers,
so the first window choice is ZOOM4. This is a good window. ZOOM6 also gives
a view of the graph that can be used but is not as good as ZOOM4.
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Enter the function.
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ZOOM4
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ZOOM6
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