4 Functions Defined by Graphs and Tables of Values

Find function values given graphs, tables, and/or descriptions.

Determine which table defines y as a function of x.

• a.)
• b.)
• c.)
• d.)

x	y
-1	4
0	1
0	5
2	3
3	2

x	y
4	2
6	1
6	7
7	4
8	3

x	y
5	1
6	4
8	1
9	3
10	1

x	y
1	8
2	5
2	7
4	9
5	3