Determine the intervals on which the given function is concave up or down and find the point of inflection. Let f(x) = x(x−4√x)
The x-coordinate of the point of inflection is: ____
The interval on the left of the inflection point is: ____ , and on this interval f is: __ concave up? or down? __
The interval on the right is: ____ , and on this interval f is: __ concave up? or down? __
