Determine Where the Graph Of $f ( x ) = x ^ { 4 } - 6 x ^ { 2 } + 2$

Multiple Choice

Determine where the graph of $f ( x ) = x ^ { 4 } - 6 x ^ { 2 } + 2$ is concave up.

A) For x < -1 and x > 1
B) For -1 < x < 1
C) Everywhere
D) Nowhere