Simplify the Expression $( \sqrt { 7 } + \sqrt { 6 } ) ( \sqrt { 7 } - \sqrt { 6 } )$

question 141

Multiple Choice

Simplify the expression. Assume all variables represent positive real numbers.
- $( \sqrt { 7 } + \sqrt { 6 } ) ( \sqrt { 7 } - \sqrt { 6 } )$

• A) \(7 + 2 \sqrt { 42 }\)
• B) \(7 - 2 \sqrt { 42 }\)
• C) 13
• D) 1

Understand the impact of price changes on consumer demand based on income and substitution effects.

Analyze how changes in prices and income affect the demand for goods, taking into account the roles of perfect substitutes and complements.

Identify and distinguish between the Slutsky and Hicks versions of income and substitution effects.

Understand utility functions and how consumers maximize utility subject to budget constraints.

---

Definitions:

Product Approach

An approach in which the salesperson places the product on the counter or hands it to the customer, saying nothing.

Demonstrations

Live or virtual showcases of a product's features and benefits, designed to educate potential customers and encourage them to make a purchase.

Referral Approach

An approach that uses a third person’s name as a reference to approach the buyer.