Question

Is this relation a function? Justify your answer.

11
10
9
8
7
6
5
4
3
2
1
1 2
4 5
6 7 8 9 10 11
A. Yes, because every x- and y-value is positive.
B. No, because two points with the same y-value have different x-
lues
C. Yes, because every x-value corresponds with a single y-value.
D. Yes, because the number of x-values is the same as the number of
y-values

Answer 1

Yes, because every x- and y- value is positive, hope it helps!

Answer 2

The answer is C, not A.