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 $f ( x ) = 2 x ^ { 3 } - 6 x + 4$

A) ƒ is continuous on $( - \infty , \infty )$
B) ƒ has a relative maximum at x = -1.
C) ƒ has a relative minimum at x = 1.
D) ƒ has a point of inflection at x = 0.
E) is concave upward on $( - \infty , 1 )$