Write the Equation of the Line Tangent to the Graph $y = 2 x e ^ { - x } + 6$

Multiple Choice

Write the equation of the line tangent to the graph of $y = 2 x e ^ { - x } + 6$ at $x = 1$

A) $y = 2 e ^ { - 1 } x + 6$
B) $y = 2 e ^ { - 1 } x - 6$
C) $y = 2 e ^ { - 1 } x$
D) $y = 2 e ^ { - 1 } + 6$
E) $y = 2 e ^ { - 1 } - 6$