Give an example of a relation that is NOT a function and explain why it is not a function.
I do not understand how to do this...please help its algebra.
The desired example is this: x=y^2 Because for each x>0 we have two different possible y values which means it is not a function anymore. a function should only maximum 1 y value for each x value.
You can see the above relation has multiple possible values for y because if we take x=1 then y can be -1 or 1.
