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Name _____________________ Date _________________________

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Relations as Functions - Independent Practice Worksheet

Complete all the problems.

1. Look at the domain values in the table:

Domain Range

-14 7

1 8

1 7

Is this relation a function?

2. Look at the domain values in the table:

Domain Range

-19 10

0 5

16 17

Is this relation a function?

3. Look at the domain values in the table:

Domain Range

-19 15

3 9

3 5

Is this relation a function?

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4. Look at the domain values in the table:

Domain Range

-11 4

6 12

1 8

Is this relation a function?

5. Look at this graph:

Is this relation a function?

x

y

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6. Look at this graph:

Is this relation a function?

7. Look at this graph:

Is this relation a function?

x

x

y

y

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8. What is the range of this relation?

Explanation:

9. What is the range of this relation?

Explanation:

1

2

4

5

3

x

-5

-4

-3

-2 -1 0 -1 -2 -3 -4 -5 2 3 4 5 1

-2 -1

1

2

4

5

3

x

-5

-4

-3

-2 -1 0 -1 -2 -3 -4 -5 2 3 4 5 1

-2 -1

y

y

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10. What is the range of this relation?

Explanation:

1

2

4

5

3

x

-5

-4

-3

-2 -1 0 -1 -2 -3 -4 -5 2 3 4 5 1

-2 -1

y