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 ;-)