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4-22.

For the rule y = x2 − 4, calculate the y-values that complete the table below. Plot the points and connect them on a complete graph on graph paper. What does your graph look like? Homework Help ✎

IN (x)

−3

−2

−1

0

1

2

3

OUT (y)

Substitute the values for x into the given equation to find the values of y.

Graph the points and connect them with a continuous curve.