Math Models Unit 1 Lesson 5

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13. Select yes if the relation is a function and no if the relation is not a function. Domain : Miles - 500 - 600 - 700 - 800 - 900 - 700 - 300 - 100 - 0 Range : Time - 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8

no

9. Select yes if the relation is a function and no if the relation is not a function. {(1.5, 2), (2.5, 3), (1.5, 7), (2.5, 8)}

no

10. Select yes if the relation is a function and no if the relation is not a function. Domain : x - 0 - 1 - 2 Range : y - 150 - 275 - 325

yes

11. Select yes if the relation is a function and no if the relation is not a function. Domain : x - 0.9 - 0.5 - 0.9 - 0.3 Range : y - 1 - 0 - 1 - 4

yes

12. Select yes if the relation is a function and no if the relation is not a function. Domain : Time - 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 Range : Miles - 500 - 600 - 700 - 800 - 900 - 700 - 300 - 100 - 0

yes

7. Select yes if the relation is a function and no if the relation is not a function. {(- 5, 0), (- 4, 7), (-2, 11), (1, 16)}

yes

8. Select yes if the relation is a function and no if the relation is not a function. {(- 2, 3), (- 1,0), (0, - 1), (1,0), (2, 3)}

yes

3. Using the table from this Lesson. Choose the relation of height and weight, using height as the domain and weight as the range.

{(60, 108), (62, 102), (64, 130), (65, 130), (66, 143), (67, 128), (69, 147), (70, 148), (70, 166), (71, 162), (73, 165), (73, 174), (74, 178)}

5. Using the table from this Lesson. Write the relation of height and favorite vacation activity, using height as the domain and favorite vacation activity as the range.

{(60, reading), (62, camping), (64, skiing), (65, hiking), (66, hiking), (67, camping), (69, reading), (70, reading), (71, camping), (73, swimming), (74, camping)}

1. Define the term. relation : _____

any set of ordered pairs

4. Does this set of ordered pairs form a function? {(60, 108), (62, 102), (64, 130), (65, 130), (66, 143), (67, 128), (69, 147), (70, 148), (70, 166), (71, 162), (73, 165), (73,174), (74, 178)}

No

6. Does this set of ordered pairs form a function? {(60, reading), (62, camping), (64, skiing), (65, hiking), (66, hiking), (67, camping), (69, reading), (70, reading), (71, camping), (73, swimming), (74, camping)}

Yes

2. Define the term. function : _____

a relation where each member of the domain is paired with one and only one member of the range


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