SubArea: Quadratic functionsLevel: BProject ID: 2010017003Source Problem: 9000014805Accepted: 0Clonable: 1Easy: 0Find the maximum value of the quadratic function \(f(x)= -x^{2} +2x +1\).\(2\)\(1\)The maximum value of the function \(f\) does not exist.\(0\)
