Use the vertical line test to determine whether y is a function of x. Yes, y is a function of x. No, y is not a function of x. It cannot be determined whether y is a function of x. y = {x − 3, x ≤ 0 −x + 3, x > 0
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Use the vertical line test to determine whether is a function of .
Yes, is a function of .
No, is not a function of .
It cannot be determined whether is a function of .