4. g'(x) is given. Sketch a graph of the original function, g(x). 1 mark 5. Sketch a graph of f(x) that has the following properties. f'(x) is never equal to 0 and f"(x) is never equal to 0. f"(x) is negative when x is less than 4 and f"(x) is positive when x is greater than 4. f(1) = 2. 1 mark