Find the Slope of the Graph of Y = $\sqrt { 2 x ^ { 2 } + 1 }$

Multiple Choice

Find the slope of the graph of y = $\sqrt { 2 x ^ { 2 } + 1 }$ at the point (2, 3) .

A) $\frac { 1 } { 4 }$
B) $\frac { 4 } { 3 }$
C) 12
D) $\frac { 3 } { 2 }$
E) none of these