1.2.4 Introduction to Functions − Worksheet
Example 1:
Graph each point.
1. J (4, 5)
2. K ( − 3, 2)
3. L (6, 0)
4. M (1, − 7)
Example 2:
y
Name the quadrant in which each point lies.
F
4
5. A
6. B
7. C
A
2
x
D B
8. D
9. E
10. F
2
4
–4 –2
–2
C
E
–4
Example 3:
11. The number of counselors at a summer camp must be equal to 1 4 the number of campers. Write a rule for the number of counselors that must be at the camp. Write ordered pairs for the number of counselors when there are 76, 100, 120, and 168 campers.
Example 4:
Generate ordered pairs for each function for x = − 2, − 1, 0, 1, and 2. Graph the ordered pairs and describe the pattern.
= y x 1 2
12. y = x + 2
13. y = − x
14. y = − 2| x |
15.
2
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