Evaluate the Given Function $f ( x ) = \left( \frac { 1 } { 5 } \right) ^ { x } , f ( - 3 )$

question 83

Multiple Choice

Evaluate the given function.
- $f ( x ) = \left( \frac { 1 } { 5 } \right) ^ { x } , f ( - 3 )$

• A) \(\frac { 1 } { 125 }\)
• B) \(- 15\)
• C) \(- \frac { 1 } { 125 }\)
• D) 125

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Definitions:

Variable

An element, feature, or factor that is likely to vary or change; in scientific experiments, the characteristic that is tested to observe its effects.

Time

A measurable period during which events occur, processes take place, or conditions exist.

Slope

In mathematics and economics, it's the measure of the steepness or incline, often used to describe a change in a variable in relation to a change in another variable.

45-degree Line

In economics, a reference line that represents where the quantity demanded equals the quantity supplied.