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math question???8th grade help??? please?
Given the relation G={ (9,3) (x,8) (4,y) (2,7) (1,6) } which of the following values for x and y will make the relation G a function?
A. x=1, y=5
B. x=9, y=2
C. x=2, y=6
D. x=8, y=3
(explain yo answer)
1 Answer
- 8 years ago
D. x = 8 and y = 3
If you look into each one
A) if you insert x= 1 and y = 5, you will have 2 same x value (it is ok to have 2 same y value) >>> (1,6)
B) if you insert x= 9 and y = 2 you will again have 2 same x values......(9,3)
C) if you insert x= 2 and y = 6 you will again have 2 same x values......(2,7)
and when you insert x= 8 and y= 3
there isn't a double 8 in the x values in the relation, that will make it a function