Find the derivative.
-$y=\frac{e^{-x}+1}{e^{x}}$
A) $\frac{e^{x}-2}{e^{2 x}}$
B) $\frac{e^{x}+2}{e^{2 x}}$
C) $\frac{-e^{x}+2}{e^{2 x}}$
D) $\frac{-e^{x}-2}{e^{2 x}}$

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The Answer of Find the derivative.
-$y=\frac{e^{-x}+1}{e^{x}}$
A) $\frac{e^{x}-2}{e^{2 x}}$
B) $\frac{e^{x}+2}{e^{2 x}}$
C) $\frac{-e^{x}+2}{e^{2 x}}$
D) $\frac{-e^{x}-2}{e^{2 x}}$

Find the Derivative y=e−x+1exy=\frac{e^{-x}+1}{e^{x}}y=exe−x+1​ A) ex−2e2x\frac{e^{x}-2}{e^{2 x}}e2xex−2​ B) ex+2e2x\frac{e^{x}+2}{e^{2 x}}e2xex+2​ C) −ex+2e2x\frac{-e^{x}+2}{e^{2 x}}e2x−ex+2​ D) −ex−2e2x\frac{-e^{x}-2}{e^{2 x}}e2x−ex−2​

Find the Derivative $y=\frac{e^{-x}+1}{e^{x}}$ A) $\frac{e^{x}-2}{e^{2 x}}$ B) $\frac{e^{x}+2}{e^{2 x}}$ C) $\frac{-e^{x}+2}{e^{2 x}}$ D) $\frac{-e^{x}-2}{e^{2 x}}$