Identifying Functions
w/ Tables
Homework
Name ___________________________________
Date ____________________________________
Subject _________________________________
Homeroom_____________________________
9
Identify whether the table represents a function. If the answer is no, explain why not.
1.)
2.)
x
-2
-2
4
6
y
-11
-19
-6
-14
4.)
3.)
x
-10
5
3
7
y
11
-5
-15
-12
5.)
x
19
-12
-5
14
y
-17
-4
-12
-12
7.)
y
-3
5
16
2
y
2
9
9
12
x
-14
-1
19
8
y
-8
4
-15
-15
x
7
-4
-12
13
y
7
-8
-15
4
6.)
x
19
16
18
-13
y
-4
15
-17
-10
8.)
x
-20
-9
-14
0
x
16
-9
-10
-12
9.)
x
20
2
2
0
y
-2
8
-15
16
10. Make a table based on the plotted points. Do the points represent a function? Why or why not?
Bonus Problems
11. a) Is the relationship in the table below a function? Explain your answer
b) Write an equation to describe the relationship.
12. a) Is the set of ordered pairs (0, 2), (1, 4), (2, 6), (3, 8), (7, 2) a function?
b) Graph the points on the graph below
13. Give an example of a non-function in table, graph, or equation form.