Find the Curvature of the Plane Curve $y = 3 x ^ { 2 } + 4 \text { at } x = - 2$

Multiple Choice

Find the curvature of the plane curve $y = 3 x ^ { 2 } + 4 \text { at } x = - 2$ . Round your answer to three decimal places.

A) 0.498
B) 0.332
C) 0.015
D) 0.005
E) 0.003