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Question
Use the Vertical Line Test to determine whether y is a function of x.
x = lyl
y
1
-1
1
Yes, y is a function of x.
O No, y is not a function of x.
2
X
Fig: 1
x = lyl
y
1
-1
1
Yes, y is a function of x.
O No, y is not a function of x.
2
X
Fig: 1
