Functions

Regular

100

X         Y

1         A

5         B

8         B

FUNCTION

200

X      Y

1      8

6      9

2      9

3      4

FUNCTION

300

X     Y

4     Q

9     T

9     H

NOT FUNCTION

400

X        Y

4        7

9       7

5       8

4        2

NOT FUNCTION

TRUE OR FALSE

100

the dependent variable makes the other variable change

false

200

there can be two kinds of y's for one kind of x

true

300

there can be one kind of x for two kinds of y's

false

400

a linear function is a function whose graph is a vertical line or part of a vertical line

false