Question

Guided Practice

Determine whether the relation is a function. Explain why or why not.


{(3, 7), (3, 8), (3, –2), (3, 4), (3, 1)}


A.
No; the domain value 3 corresponds to multiple range values.


B.
Yes; there is no value in the domain that corresponds to more than one value of the range.


C.
No; a function must have multiple domain values.

Answer 1

A. it is not a function because there are multiple y-values paired with a single x-value.

Explanation: