Solve
- $\sqrt { x } - 1 = \sqrt { x - 7 }$

question 235

Multiple Choice

Solve.
- $\sqrt { x } - 1 = \sqrt { x - 7 }$

• A) \(- 16\)
• B) \(\varnothing\)
• C) 4
• D) 16

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Definitions:

Marginal Cost

The cost of producing one additional unit of a product, which varies depending on the level of production.

Marginal Revenue

The gain in revenue from disposing of one additional unit of a good or service.

Price Elasticity

An indicator of the responsiveness of the quantity of a product demanded to its price change, represented in terms of percentage variation.

Demand Curve

An illustration depicting the correlation between a product's price and the level of demand from buyers, often characterized by a descending trajectory.