Select all of the following graphs which represent y as a fu
Select all of the following graphs which represent y as a function of x.
Solution
A, it is not a function of x because it is not touching x axis at ny point that is y=2 not a funtion of x
B, D are also functions of x because they are touching x axis at three points with 3 -x intercepts
C,E,F are also functions of x becuse they are touching x axis at exactly one point with 1 -x intercept
