Question

Is the relation a function? Why or why not?

{(–5, 7), (–2, –1), (0, 3), (4, 7)}


Yes; only one range value exists for each domain value.

No; the relation passes the vertical-line test.

Yes; two domain values exist for range value 7.

No; two domain values exist for range value 7.

Answer 1

Yes; only one range value exists for each domain value.