LESSON 3-2 Practice and Problem Solving: A/B BENNIS



Name ________________________________________ Date __________________ Class __________________

LESSON Understanding Relations and Functions

3-2

Practice and Problem Solving: A/B

Express each relation as a table, as a graph, and as a mapping diagram.

BENNIS

1. {(-2, 5), (-1, 1), (3, 1), (-1, -2)}

x y

2S

I

3I

2

2. {(5, 3), (4, 3), (3, 3), (2, 3), (1, 3)}

x y

53

43

33

23

o oo

3

g

13

Give the domain and range of each relation. Tell whether the relation

is a function. Explain. 3.

4.

5. x y 1 4

2 5 0 6

8 B 88 g 8 4

96

93

1 7 2 8

0,4 D: _____________________

0,4 R: _____________________

8 9 D: ______________________

3 4 6 9 R: ______________________

O l Z D: _____________________

4 56 78 R: _____________________

Yes Function? ______________

No Function? ______________

No Function? ______________

No is Explain: ______________r_e_peat

________________________

The Explain: ________________

values repeat _______________________

The Explain: ________________

values repeat ________________________

________________________ ________________________

_______________________ _______________________

________________________ ________________________

Original content Copyright ? by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.

48

Extra practice

Extra

practice

i

All real numbers

5

Yes

82

S8

Yes

Aa

TF est w assign

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