Draw the Graph of the Function in an Appropriate Viewing $f ( x ) = 1.1 x ^ { 3 } - 8.6 x ^ { 2 } - 1.4 x + 1.2$

Draw the graph of the function in an appropriate viewing rectangle. $f ( x ) = 1.1 x ^ { 3 } - 8.6 x ^ { 2 } - 1.4 x + 1.2$