Find the Slope of the Tangent Line to the Curve $\frac { 1 } { 1 + 2 x }$

Multiple Choice

Find the slope of the tangent line to the curve y = $\frac { 1 } { 1 + 2 x }$ at the point (1, $\frac { 1 } { 3 }$ ) .

A) $- \frac { 1 } { 4 }$

B) 2
C)
$- 1$
D) $\frac { 1 } { 4 }$
E) $- \frac { 2 } { 9 }$


F) $- 2$

G) 1
H) $\frac { 1 } { 2 }$