Let x be a continuous variable defined over the interval (-∞, ∞) and \(f\left( x \right) = {e^{ - x - {e^{ - x}}}}\). The integral \(g\left( x \right) = \smallint f\left( x \right)dx\) is equal to

Let x be a continuous variable defined over the interval (-∞, ∞) a

1.	Let x be a continuous variable defined over the interval (-∞, ∞) and \(f\left( x \right) = {e^{ - x - {e^{ - x}}}}\). The integral \(g\left( x \right) = \smallint f\left( x \right)dx\) is equal to
A.	\({e^{{e^{ - x}}}}\)
B.	\({e^{ - {e^{ - x}}}}\)
C.	\({e^{ - {e^x}}}\)
D.	e-x
Answer» C. \({e^{ - {e^x}}}\)

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Let x be a continuous variable defined over the interval (-∞, ∞) and \(f\left( x \right) = {e^{ - x - {e^{ - x}}}}\). The integral \(g\left( x \right) = \smallint f\left( x \right)dx\) is equal to

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