Question

Does this relationship represents a function? Explain why or why not. (F.IF.A.1)

y
-5
4
-2
-5.4
-2.1
2 B4
5
X
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Answer 1

Explanation:

no, it does not.

because almost every valid value of x (from -3 to +3) has 2 associated result values of y.

like x = 0 has y = 3 and y = -3.

but for a function there can be only ONE associated y value for every valid x value.