y^2=3x My answer: 3x=y^2|0|3|12|27 y |0|1| 2| 3 y^2=3x is a function because the coordinates I chose are not duplicated.
y = + sqrt(3x) BUT y = - sqrt (3x) for example if x = 12 y = sqrt(36) = 6 BUT y = -sqrt(36) = -6 works so there are two values of y for every x NOT a function
You can ask a new question or answer this question.