Given $f ( x ) = 2 + x ^ { 2 }$

question 51

Short Answer

Given $f ( x ) = 2 + x ^ { 2 }$ and $g ( x ) = \sqrt { x - 1 }$
, find $( f \circ g ) ( 2 )$ , $( f \circ f ) ( 2 )$

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Definitions:

Reliability

The degree to which an assessment tool produces stable and consistent results across multiple measurements.

Validity

The extent to which a test or instrument measures what it is supposed to measure.

Predictive Validity

The extent to which a score on a scale or test predicts future performance on a related outcome.

Culture Bias

The tendency to interpret or judge phenomena by standards inherent to one's own culture, potentially leading to misunderstanding or prejudice.