Question

Which relation is a function? A. {(3,2),(2,1),(1,2),(3,3)}

B. {(1,2),(2,4),(-1,2),(0,3)}

C. {(5,0),(0,1),(5,2),(4,4)}

D. {(0,1),(-4,1),(4,2),(-4,-1)}​

Answer 1

B. {(1,2),(2,4),(-1,2),(0,3)}

Explanation:

NO x-coordinates repeat, therefore this is the ONLY function.

I am joyous to assist you anytime.