Exercises 17.3, page 484

  1. 1. x < 1 or x > 3

    A number line is shaded to the left of an open circle at 1, and to the right of an open circle at 3.

  2. 3.  − 4 < x < 4

    A number line is shaded between open circles at negative 4 and 4.

  3. 5. x ≤ 0 ,  x ≥ 2

    A number line is shaded to the left of a closed circle at 0, and to the right of a closed circle at 2.

  4. 7.  − 4 ≤ x ≤ 32

    A number line is shaded between closed circles at negative 4 and 3 over 2.

  5. 9. x =  − 2

    A number line is shaded at a closed circle at negative 2.

  6. 11. All R

    A number line is shaded to the left and to the right.

  7. 13. x <  −  ...

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