4 Find the critical points of the function f (x) = 27x 5 + x 5 Enter your answers in increasing order. If the number of critical points is less than the number of response areas, enter NA in the remaining response areas.Find the local maximum and minimum values of the function f (x) = -x _ 64 using the Second Derivative Test. Complete the table below. Enter the points in increasing order of their x-coordinates. At X= and y= the sign of f" (x) is and the conclusion is Number Number Click for List Click for List Number Number Click for List Click for List