SubArea: Power and radical functionsLevel: AProject ID: 9000010607Source Problem: 2010012403Accepted: 1Clonable: 1Easy: 0Identify a function which is one-to-one on the interval [−2;2].f(x)=x3−2f(x)=x2−2f(x)=−x2+2f(x)=x−2+2f(x)=1x−2f(x)=x4