Chapter Test
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Does the solution set in the given graph lie to the left or right of the endpoint? What does the open circle indicate?
x < -7
First, we see that the circle at the endpoint is open. This means that the inequality is strict and -7 is not included in the solution set. Next, we observe that the solution set lies to the left of the endpoint. Using x to represent the solution set, we can say that any value of x is less than -7. x < -7