Question

Is the following relation a function?

yes or no?

(look at picture)

Answer 1

as long as there is only one arrow going out from each domain element, then it is a function

Answer 2

So this would not be.. right? @satellite73

Answer 3

it is a function

Answer 4

each \(x\) has only one arrow going out from it

Answer 5

ohhhh i got it thanksss

Answer 6

it's function not injective because y=3 have two antecedent x=4 and x=0