Determine each of the following whether a function or not.
1. {(3,3),(5,5),(9,6)}
2. {1,3),(2,5),(2,7),(1,1)}
3. {(-1,3),(0,-5),(-9,-6)}
4. {(-4,4),(4,-4),(-2,1),(2,-1)}
5. y = x + 2
6. {(2,5),(2,6),(4,4),(4,6)}
7. {(10,0),(1,0,(2,0)}
8. {(6,2),(6,1),(-6,6)}
9. {(5,-15),(-19,6),(0,-1)}
10. x=y-2
1. {(3,3),(5,5),(9,6)}
2. {1,3),(2,5),(2,7),(1,1)}
3. {(-1,3),(0,-5),(-9,-6)}
4. {(-4,4),(4,-4),(-2,1),(2,-1)}
5. y = x + 2
6. {(2,5),(2,6),(4,4),(4,6)}
7. {(10,0),(1,0,(2,0)}
8. {(6,2),(6,1),(-6,6)}
9. {(5,-15),(-19,6),(0,-1)}
10. x=y-2
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Answer:
How do you figure out if a relation is a function? You could set up the relation as a table of ordered pairs. Then, test to see if each element in the domain is matched with exactly one element in the range. If so, you have a function!
Step-by-step explanation:
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3.function
4.function
5.not
6.function
7.function
8.function
9.function
10.not