Asked by Brian

Map the following relation and identify if it is a function or not.
{(1,2),(1,3),(3,4),(5,2)}

Answers

Answered by mathhelper
To be a function, for every value of x, there has to be a unique value of y
I see one with (1,2) and another (1,3)

2 different values of y for the same value of x, so .....
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