1. If f(x) =5x2 , find f"'(x) . Then verify your answer by calculating f'm) and f'(f(x)). 2. If f(x)=2:123 ,nd foe) 3. Is the function f(x) , whose graph is given, one-toone? If yes, sketch the graph of the function f\"(x) on the same coordinate system. If it is not one-to-one, state so