Complete the table with positive, negative, or 0 to describe g' and g". Justify your answers.positive positive positive positivePart B: Find the x-coordinate of each critical point off and classify each as a relative minimum, a relative maximum, or neither. Justify your answers.Part C: Find all values of x at which the graph of f has a point of inflection. Justify your answers.Part D: Let h be the function defined by h(x) = -2f(x)g(x). Is h increasing or decreasing at x=-1? Justify your answer.