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3 years ago

12

Which relation is a function?

2 answers:

Inessa [10]3 years ago

6 0

To be a function, a graphed equation must pass the vertical line test, i.e. a vertical line must not pass through more than one point on the graph, or the equation must not have more than one y-value for each x-value. All but the lower-left graph fail this test, and are therefore not functions.

Serjik [45]3 years ago

4 0

The answer is the parabola so the one that literally looks like a "U".

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