which of the following relationships is a function
a.Domain Range B.y^2=x^2-3x+4
3 2
4 1
7
c.Domain Range C.y^2=2x^2
13 0
2 4
-1
a.Domain Range B.y^2=x^2-3x+4
3 2
4 1
7
c.Domain Range C.y^2=2x^2
13 0
2 4
-1