Below is the graph of the derivative f x of a function defined on the interval 0 8 You can click on the graph to see a larger version in a separate window Refer to the graph to answer each of the following questions For parts A and B use interval notation to report your answer If needed you use U for the union symbol A For what values of x in 0 8 is f x increasing If the function is not increasing anywhere enter None Answer B For what values of 2 in 0 8 is f x concave down If the function is not concave down anywhere enter None Answer C Find all values of x in 0 8 is where f x has a local minimum and list them separated by commas in the box below If there are no local minima enter None Local Minima D Find all values of x in 0 8 is where f x has an inflection point and list them separated by commas in the box below If there are no inflection points enter None