Find the interval(s) of increase and decrease for the function f(x)=x^(5)-5x^(4)-x3+28x2-2x. Identify the inflection points of the function. What are the coordinates of the point with the smallest x-value? Which of the following options represents the coordinates (x,y) of an inflection point?A) (,)B) (,)C) (,)D) (,)