Question

Is the relation a function? Why or why not? {(3, –1), (3, 0), (–3, 4), (3, 8)} No; three range values exist for domain value 3. No; the relation passes the vertical line test. Yes; three range values exist for domain value 3. Yes; only one range value exists for each domain value.

Answer 1

The relation is not a function.
The 3 in the domain repeats.
The first option.