Find All Real Solutions of the Equation $x ^ { 4 } = 16 x ^ { 2 }$

question 73

Multiple Choice

Find all real solutions of the equation. $x ^ { 4 } = 16 x ^ { 2 }$

• A) x = 0, x = 4, x = -4
• B) x = 0
• C) x = 0, x = 16, x = -16
• D) x = 0, x = 16
• E) none of these

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Definitions:

Long Run

A period in economics sufficient for all markets to adjust to equilibrium, including the production and entry and exit of firms.

Economic Profit

The financial margin that results from subtracting a business's complete costs, covering both explicit and implied ones, from its total income.

Profit-Maximizing Price

The price at which a company can achieve the maximum possible profit while selling its products or services, considering the market demand and production costs.

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