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 (- $\infty$ , $\infty$ )
B) descreasing on (- $\infty$ , 1) increasing on (1, $\infty$ )
C) increasing on (- $\infty$ , 1) descreasing on (1, $\infty$ )
D) descreasing on (- $\infty$ , $\infty$ )
E) descreasing on (1, 1) increasing on (1, $\infty$ )