jurnee77
27.10.2020 •
Mathematics
Which of the following relations is a function?
A.
(-9, 2), (-4, 3), (5, 7), (9, 2)
B.
(9, -10), (-9, 7), (9, 6), (-9, 12)
C.
(-9, 0), (-4, 5), (-9, -3), (5, 9)
D.
(-4, -2), (-9, -5), (5, 8), (5, 2)
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Ответ:
A.
Step-by-step explanation:
There can only be one y-value for each x-value. For example: B could not be a function because (9,6) and (9, -10) share an x-value. This would be a relation, but not a function. The correct answer is A.
Ответ:
Because you subtract 10 dollars from 56 because there is ten dollars for the entry fee. Then you would do 56 divided by three to get about 15.