Question 622664: Please help me with this I need this tomorrow.
For each of the following relations, indicate which relations are also functions.
1. {(2,5),(3,6),(4,7),(5,8)}
2. {(1,1),(2,8),(3,27),(4,64)}
3. {(1,4),(2,4),(3,5),(4,5)}
4. {(0,1),(0,2),(3,3),(3,4)}
5. {(a,6),(b,6),(c,6),(d,6)}
6. {(a,2),(a,4),(a,6),(a,8)}
Express each statement, using function notation.
13. How much do 3 kilograms of chicken cost, if it sells for Php 95/kilogram?
14. y is 500 when x=25
15. Find the value of y that corresponds to the value of x=12.
Let f(x)=3x-1 and g(x)=2x squared-4x+3. Evaluate the following:
16. f(6)
17. f(-5)
1
18. f(-)
3
19. g(5)
20. g(-1)
21. g(0)
1
22. g(-)
2
23. f(a-1)
24. g(a-1)
1
Let f(x)=3x squared and g(x)=-x squared-2. Evaluate the following:
2
25. f(0)
26. f(-2)
2
27. f(-)
3
28. g(-1)
29. g(4)
1
30. g(-)
2
31. f(5a)
32. g(2a)
33. f(a+2)
Note numbers 7-12 are not part of my assignment.
Many Thanks!
Answer by lynnlo(4176)   (Show Source):
You can put this solution on YOUR website! 1,2,3,5 are functions
4,6 are not functions
you have so many questions ,i can not spend to much time on 1 person,not when i am trying to help others who only put up to 3 questions on at a time
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