Question

Which of the following sets of ordered pairs represents a function?

A. { (10, 1), (10, 4), (10, 3), (10, 3) }
B. { (-5, 5), (-1, -5), (-3, 5), (-2, -5) }
C. { (-8, 5), (-11, 5), (-1, -5), (-8, -5) }
D. { (5, -5), (-5, -1), (5, -3), (-5, -2) }

Answer 1

B. { (-5, 5), (-1, -5), (-3, 5), (-2, -5) }

Explanation:

because for any domain ,you will get only one range value ,

but ,there are many range values for same domain in A,C,D ;