SubArea: DerivativeLevel: AProject ID: 9000062409Accepted: 1Clonable: 0Easy: 0Find the first derivative of the function \(f(x) = x^{2} + x - 6\) at each of the \(x\)-intercepts.\(- 5;\ 5\)\(- 3;\ 7\)\(- 7;\ 6\)\(- 9;\ 6\)