SubArea: Power and radical functionsLevel: AProject ID: 2010012401Source Problem: 9000010605Accepted: 0Clonable: 1Easy: 0Identify a function which is increasing on (−1;∞).f:y=x3f:y=x4f:y=−x3f:y=x−4f:y=−x−2f:y=−x−3