Estimate the Slope of the Tangent Line at the Indicated $- \frac { 1 } { 2 }$

Multiple Choice

Estimate the slope of the tangent line at the indicated point.
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A) $- \frac { 1 } { 2 }$
B) $\frac { 1 } { 2 }$
C) 2
D) $- 2$