Suppose that the graph shown is the graph of f'(x), the derivative of f(x). Find the open intervals where the original function is concave upward or concave downward. Find any inflection points. 40...

Extracted text: Suppose that the graph shown is the graph of f'(x), the derivative of f(x). Find the open intervals where the original function is concave upward or concave downward. Find any inflection points. 40 Find any inflection points. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. 6810 12 14 151320 O A. The original function has (an) inflection point(s) at x= (Round to the nearest integer as needed. Use a comma to separate answers as needed.) O B. The original function has no inflection points.