Let \(f\) be defined by \( f(x) = \left\{ \begin{array}{cl} 3-x & \text{ if } x \leq 3, \\ -x^3+2x^2+3x & \text{ if } x>3. \end{array} \right.\) . Calculate \(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\) .
Im not quite sure how to do this problem.
What does the question even mean Can you rephrase it?
