Determine Which of the Following Is Not True for the Graph

Multiple Choice

Determine which of the following is not true for the graph of $f ( x ) = \frac { 1 } { 4 } x ^ { 3 } - \frac { 3 } { 2 } x ^ { 2 } + 2$

A) ƒ is continuous on $( - \infty , \infty )$
B) ƒ has a relative maximum at x = 0.
C) ƒ has relative minima at x = ±1.
D) ƒ has points of inflection at x = 2.
E) ƒ is concave downward on $( - \infty , 2 )$