Algebra II Workbook - Wayne County Public Schools

LESSON
2.1
CONTINUED
EXAMPLE 2
NAME _________________________________________________________ DATE ____________
Practice with Examples
For use with pages 67–74
Exercises for Example 1
Identify the domain and range. Then tell whether the relation
is a function.
1. Input Output
2. Input Output
3.
Input
Output
3
1 5
2 6
4
Graph the function y 1 2 x 1.
3 0
3 7
2 1
2 2
5 8
0 2
1
4
Graphing a Function
y
SOLUTION
1. Construct a table of values.
x 4 2 0 2 4
y 3 2 1 0 1
2. Plot the points.
3. Draw a line through the points.
(4, 3)
(2, 2)
1
(0, 1)
(2, 0)
1
(4, 1)
x
Chapter 2
Exercises for Example 2
Graph the function.
4. y x 4
5. y x
6.
y 3
7. y 3x 2
8. y x 4
9. y 2x 2
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Algebra 2 23
Practice Workbook with Examples