Passing Through the Origin (0, 0), There Are Two Lines $y = x ^ { 2 } + 1$

Multiple Choice

Passing through the origin (0, 0) , there are two lines tangent to the curve $y = x ^ { 2 } + 1$ , one with negative slope, the other with positive slope. Find the value of the positive slope.

A) $\frac { 1 } { 8 }$
B) $\frac { 1 } { 2 }$
C) $\frac { 1 } { 4 }$
D) $\frac { 1 } { 3 }$
E) 4
F) 1
G) 3
H) 2