1.2 Review Worksheet
1.2.1 Relations and Functions Give the domain and range for each relation. 1. Basketball Points Scored
2.
4
Player Points
Irene 22
Anna 12
Lea 16
Kate 12
Determine whether each relation is a function. 3. Women’s Glove Sizes Size Maximum Hand Length (in.) S 6.5 M 7.5 L 8.5
4.
3 5 7 9
1 0 9 33
Use the vertical-line test to determine whether each relation is a function. If not, identify two points a vertical line would pass through. 5. 6. 7.
4
2
1.2.2 Function Notation For each function, evaluate f
3 2
f
− , and 1 . f ( )
0 ,
( )
8. f ( x ) = 7 x − 4
9. f ( x ) = − x 2 + x
10. f ( x ) = − 2 x 2 + 1
65
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