To solve this problem you must apply the proccedure shown below:
1- You have the following function given in the problem above:
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2- To graph the function, you must give values to
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.
3- As you can see, the function is quadratic, which means that the graph is a parabola.
4- Keeping the explanation above on mind, when you plot each point obtained by giving values to
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, you have the graph attached.