Solve the Inequality $$x ^ { 2 } ( x + 64 ) ^ { 2 } \geq 0$$

question 471

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $$x ^ { 2 } ( x + 64 ) ^ { 2 } \geq 0$$

• A) \(\varnothing\)
• B) \(( - \infty , \infty )\)
• C) \(( - \infty , - 8 ] \cup [ 0,8 ]\)
• D) \([ - 8,0 ] \cup [ 8 , \infty )\)

Analyze the impact of market demand changes on prices and output in the short and long run.

Explain the significance of entry and exit of firms in a perfectly competitive market and its effect on long-run equilibrium.

Identify the conditions for long-run equilibrium in a perfectly competitive market.

Describe the characteristics of a perfectly competitive industry that lead to efficiency.

---

Definitions:

Positive Economics

The branch of economics that focuses on objective analysis and facts to describe how economies actually work.

Efficient Market

A market in which all available information is fully and immediately reflected in asset prices, thus making it impossible to consistently achieve higher returns on investment than average market returns on a risk-adjusted basis.

Profit Opportunities

Situations where businesses can generate higher returns on investment than the market average.

Efficient Economy

An economy where resources are allocated in the most efficient way possible, maximizing the production of goods and services without wasting resources.