SubArea: DerivativeLevel: AProject ID: 9000070806Source Problem: 2010002001Accepted: 1Clonable: 1Easy: 1Differentiate the following function. f(x)=πx+ln2f′(x)=−πx2; x∈R∖{0}f′(x)=0; x∈R∖{0}f′(x)=π; x∈R∖{0}f′(x)=πx2; x∈R∖{0}