Evaluate the Function $f ( - 4 )$ When $f ( x ) = x ^ { 2 } - 2 x + 3$

question 478

Multiple Choice

Evaluate the function.
-Find $f ( - 4 )$ when $f ( x ) = x ^ { 2 } - 2 x + 3$

• A) 11
• B) 27
• C) 5
• D) 21

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Definitions:

Operational Definition

A clear, precise way to define and measure a variable or phenomenon, making it empirically testable.

Independent Variable

The variable in an experiment that is manipulated by the researcher to observe its effect on the dependent variable.

Control Condition

A scenario or setup in an experiment where no treatment or experimental condition is applied, serving as a benchmark to measure the effects of the treatment.

Scientific Method

A systematic approach to research where a problem is identified, relevant data is gathered, a hypothesis is formulated, and the hypothesis is empirically tested.