Find the Radius of Curvature of the Plane Curve $y = 3 x ^ { 2 } + 2 \text { at } x = - 1 \text {. Round }$

Multiple Choice

Find the radius of curvature of the plane curve $y = 3 x ^ { 2 } + 2 \text { at } x = - 1 \text {. Round }$ your answer to three decimal places.

A) 24.694
B) 85.333
C) 28.133
D) 34.510
E) 37.510