Solve the Equation $$( 2 x + 3 ) ^ { 1 / 2 } + ( 4 - x ) ^ { 1 / 2 } = 4$$

question 251

Multiple Choice

Solve the equation.
- $$( 2 x + 3 ) ^ { 1 / 2 } + ( 4 - x ) ^ { 1 / 2 } = 4$$

• A) \(\varnothing\)
• B) \(\{ 3 \}\)
• C) \(\left\{ 3 , \frac { 11 } { 9 } \right\}\)
• D) \(\{ - 3 \}\)

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Definitions:

DfWG

Degrees of Freedom Within Groups, a term used in statistics to describe the number of independent values or quantities which can vary in the analysis without violating any given constraints.

Mean Square

A measure used in ANOVA that is calculated by dividing the sum of squares by its degrees of freedom.

Levels

Different values or categories that a variable can take, often used in the context of categorical variables in research.