The Absolute Minimum of the Function $f ( x ) = 8 x ^ { 3 } - 4 x ^ { 2 } + 72 x$

True/False

The absolute minimum of the function $f ( x ) = 8 x ^ { 3 } - 4 x ^ { 2 } + 72 x$ on the interval 0 $\le$ x $\le$ 4 is 0.