Perform Operations with Polynomials in Several Variables
- $$\left( x ^ { 2 } y ^ { 2 } + 9 \right) ^ { 2 }$$

question 407

Multiple Choice

Perform Operations with Polynomials in Several Variables
- $$\left( x ^ { 2 } y ^ { 2 } + 9 \right) ^ { 2 }$$

• A) \(x ^ { 4 } y ^ { 4 } + 18 x ^ { 2 } y ^ { 2 } + 81\)
• B) \(x ^ { 2 } y ^ { 2 } + 18 x y + 81\)
• C) \(x ^ { 4 } y ^ { 4 } + 9 x ^ { 2 } y ^ { 2 } + 81\)
• D) \(x ^ { 4 } y ^ { 4 } + 81\)

---

Definitions:

Barriers To Entry

Factors that prevent or hinder new competitors from easily entering an industry or area of business.

Product Differentiation

The attempt by firms to convince buyers that their products are different from those of other firms in the industry. If firms can so convince buyers, they can charge a higher price.

Perfectly Elastic

A situation in economics where the quantity demanded or supplied changes by an infinite amount in response to any change in price; depicted by a horizontal line in price-quantity graphs.

Collusion

Cooperation among producers to limit production and raise prices so as to raise one another’s profits.