Solve the Radical Equation $$\sqrt { 2 x + 5 } - \sqrt { x - 2 } = 3$$

question 67

Multiple Choice

Solve the radical equation.
- $$\sqrt { 2 x + 5 } - \sqrt { x - 2 } = 3$$

• A) \(\{ 3,8 \}\)
• B) \(\{ 2 \}\)
• C) \(\{ 2,38 \}\)
• D) \(\{ - 2 \}\)

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Definitions:

Marginal Cost

The upsurge in full costs resulting from the fabrication of an additional unit of a product or service.

Marginal-Cost Curve

A graphical representation showing how the cost to produce one additional unit of a good or service changes as production volume changes.

Average-Total-Cost Curve

A curve showing the average total cost of producing different levels of output in the short run.

Punishment

A consequence imposed after an undesirable behavior, aimed at reducing that behavior.