Which of the following relationships represents a function?

A.

(-7,5), (2,3), (-9,2), (-1,3)

B.

(-7,4), (2,6), (-7,3), (-1,2)

C.

(-7,0), (2,3), (-9,1), (2,5)

D.

(-4,4), (1,6), (-4,3), (-2,2)

A function is a repesentashion of time. past or befor so fg means function grafgh is what your exsplaining as in repacentation of wrk) bg, is what happend befor like 1990 no one knows so I would say D

because 4_4 16 4; 3 22 is the closest between function and befor g and after becuse 44_16 is 2004 and 20016 do you see know go hard rock star; - )