Find the Specific Function Value $\text { Find } f ( 3,0,9 ) \text { when } f ( x , y , z ) = 3 x ^ { 2 } + 3 y ^ { 2 } - z ^ { 2 }$

question 191

Multiple Choice

Find the specific function value.
- $\text { Find } f ( 3,0,9 ) \text { when } f ( x , y , z ) = 3 x ^ { 2 } + 3 y ^ { 2 } - z ^ { 2 }$

• A) 108
• B) -72
• C) -49
• D) -54

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Definitions:

Mean

The mean of a collection of numbers, determined by dividing the total sum of the values by the count of the values.

Population

The entire collection of individuals or items considered for a study, from which samples are drawn for statistical analysis.

Population Mean

The average of a set of values or measurements taken from the entire population of interest.

Sample

A subset of a population selected for measurement, observation, or questioning, to provide statistical information about the whole.