Question

Which statement about the graph below is true?

Answer 1

A. The relation is a function because every input has an input

Explanation:

A relation is a function as long as there are not multiple outputs for one input. It's okay if there are multiple inputs for one output, like we can see here with points (-6, 1) and (2, 1).

Another way to test if a graphed relation is a function is the vertical line test. Draw vertical lines at multiple spots on the graph and if any of the vertical lines touches 2 points, the graphed relation is not a function.

:)

Answer 2

a. The relation is a function because every input has an output.

Explanation:

a relation in which for every input there is exactly one output (for every x there is just one y)

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