Which of these mappings is a function? Х
у
х
y
Х
y
Х
y
5
- 2
5
2
5
2
5
2
6
4
6
4
6
A4
6
4
7
4
6
7
6
7
- 6
7
6
8
8
8
8
8
8
8
8
W.
X.
Y.
Z.
OA w

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answer: 1+1

step-by-step explanation: 1+1 is at least 2

combine all like terms then its just a 2 step equation