Question

Determine which of the following sets of ordered pairs represents a function.

A. {(12,−9), (12,4), (12,3), (12,−1)}

B. {(4,−9), (10,12), (4,3), (10,−1)}

C. {(−16,−9), (10,4), (7,3), (−16,−1)}

D. {(−16,−9), (10,−9), (4,−9), (7,−9)}

Answer 1

D

Explanation:

A. One-to-many relation is NOT a function

B. One-to-many relation is NOT a function

C. One-to-many relation is NOT a function

D. Many-to-one relation ia a function