Exercise will help you prepare for the material covered in the first section of the next c...

Exercise will help you prepare for the material covered in the first section of the next chapter.

Use the following graph to solve this exercise.

a. What is the y-coordinate when the x-coordinate is 2?

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b. What are the x-coordinates when the y-coordinate is 4?

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c. Describe the x-coordinates of all points on the graph.

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d. Describe the y-coordinates of all points on the graph.