Find the Function Value Indicated for the Function $z ( x ) = \sqrt { ( x + 7 ) ^ { 2 } }$

question 63

Multiple Choice

Find the function value indicated for the function. If necessary, round to two decimal places. If the function value is not a real number and does not exist, state so.
- $z ( x ) = \sqrt { ( x + 7 ) ^ { 2 } }$ for $z ( - 3 )$

• A) 16
• B) 4
• C) not a real number
• D) 58

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Definitions:

Independent Variable

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

More Than One

Indicates a quantity that exceeds a single unit or instance.

Grouping Factor

A variable that categorizes participants into distinct groups for analysis in an experiment or study.

Variability Between Groups

Describes differences in variance among separate groups or categories in a dataset.