I think the answer is 50 dollars more the amount
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Photo please? and a function means that it cant have the same number of x axis'
example,
function;
15 6
-46 37
36 -37
27 -25
not a function;
-1 3
5 7
-5 6
-1 8
I solved it on paper so it's easier.
But good luck ! :)
The answer I'm pretty sure is B but I can't really explain it, sorry
