1.2.4 Introduction to Functions − Practice (continued)

5. Graph the point (3, − 1).

6. Name the axis or quadrant in which the point ( − 3, 2) lies.

8. An advertising agency increased their fees to an $80 setup fee plus $4 for every advertisement. Write a rule for the new fee. Write ordered pairs for the fees for 10, 20, 30, and 40 advertisements.

7. Name the axis or quadrant in which the point (4, 0) lies.

9. Generate ordered pairs for the function y = 2 x 2 − 1 using x = − 2, − 1, 0, 1, 2. Graph the ordered pairs and describe the pattern.

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