Find the Function Value $f ( x ) = \left( \frac { 1 } { 6 } \right) ^ { x }$

question 268

Multiple Choice

Find the function value.
-Let $f ( x ) = \left( \frac { 1 } { 6 } \right) ^ { x }$ . Find $f ( 3 )$ .

• A) 216
• B) \(\frac { 1 } { 216 }\)
• C) \(\frac { 1 } { 729 }\)
• D) \(\frac { 1 } { 18 }\)

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Definitions:

Manipulated Variable

In experimental research, this is the variable that is changed or controlled by the researcher to observe its effect on the dependent variable.

Dependent Variable

The variable in an experiment that is expected to change as a result of manipulations to the independent variable.

Mediating Variable

A variable that explains the relationship between the independent and dependent variables in research.

Moderator Variable

A variable that affects the strength or direction of the relationship between an independent and a dependent variable.