The Graph of an Exponential Function Is Given $f ( x ) = 2 ^ { - x }$

question 353

Multiple Choice

The graph of an exponential function is given. Match the graph to one of the following functions.
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• A) \(f ( x ) = 2 ^ { - x }\)
• B) \(f ( x ) = - 2 ^ { - x }\)
• C) \(f ( x ) = 2 ^ { x }\)
• D) \(f ( x ) = - 2 ^ { x }\)

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Definitions:

Epimeric

Describes diastereomers that differ in configuration at only one stereogenic center.

D-Aldopentose

A five-carbon sugar (pentose) with an aldehyde group, distinguished by its orientation in the Fischer projection that matches the D-family of sugars.

Ruff Degradation

A chemical process used to determine the structure of sugars by oxidatively breaking them down into smaller molecules.

D-Allose

An aldohexose sugar, similar to glucose but with a different arrangement of hydroxyl groups, that is a rare naturally occurring monosaccharide.