Use the Second Derivative Test to Find the Relative Maxima $f ( x ) = 2 x ^ { 3 } + 9 x ^ { 2 } - 108 x + 1$

Use the second derivative test to find the relative maxima and minima of the function $f ( x ) = 2 x ^ { 3 } + 9 x ^ { 2 } - 108 x + 1$