5,
6.
9.
7 YA
4
2
Input, x
16
Output, y -2
Input, x
Output, y
2
0
-3
2
Nijm
4 6
1
-1
2 4 6
bok
0
In Exercises 7-10, determine whether the graph
represents a function. Explain. (See Example 2.)
The number 5 only
