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Home > CC2 > Chapter 7 > Lesson 7.1.5 > Problem 7-60

7-60.

Write the inequality represented by each graph.  Homework Help ✎

  1. Since the arrow is pointing to the left, that means that all those values are less than the selected point.

    Therefore, any value to the left of is less than . Since the circle above the selected point is open, the point itself is not included and you need to use either or .

  1. See part (a).

  1. Notice that this time the circle above the selected point is shaded in, so the point itself is included. That means you will use either or . Since the arrow is pointing to the right, that means that all those values are greater than the selected point.