Does this table represent a function? why or why not?
у
21
24
,
4
5
2
5
o
a. no, because two of the y values are the same.
o
b. yes, because every x-value corresponds to exactly one y value.
o
c. no, because one x-value corresponds to two different y values.
o
d. yes, because there are two x-values that are the same.
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