Use a Graphing Calculator to Find the Coordinates of the Turning

Multiple Choice

Use a graphing calculator to find the coordinates of the turning points of the graph of the polynomial function in the
indicated domain interval. Give answers to the nearest hundredth.
- $$f ( x ) = x ^ { 3 } + 7 x ^ { 2 } - 26 x - 72 ; [ 1,2 ]$$

A) $( - 6.09,120.09 )$
B) $( 3.00 , - 60.00 )$
C) $( 0,8 )$
D) $( 1.42 , - 91.94 )$