SubArea: Power and radical functionsLevel: AProject ID: 2010012403Source Problem: 9000010607Accepted: 0Clonable: 1Easy: 0Identify a function which is not one-to-one on the interval [−2;2].f:y=x2−2f:y=x2+4xf:y=−x3f:y=(x−2)2f:y=(x+2)2f:y=x3−2
