Use a Graphing Utility to Graph the Function and Visually $f ( x ) = 6 x ^ { 2 } - 12 x + 6$

Multiple Choice

Use a graphing utility to graph the function and visually determine the intervals over which the function is increasing,decreasing,or constant.? $f ( x ) = 6 x ^ { 2 } - 12 x + 6$ ?

A) ?increasing on (-?,?)
B) descreasing on (-?,1) increasing on (1,?)
C) ?increasing on (-?,1) descreasing on (1,?)
D) ?descreasing on (-?,?)
E) descreasing on (1,1) increasing on (1,?)