Solve the Problem $$( 7 a + 3 c ) ( 7 a - 3 c )$$

question 99

Multiple Choice

Solve the problem.
- $$( 7 a + 3 c ) ( 7 a - 3 c )$$

• A) \(7 a ^ { 2 } - 3 c ^ { 2 }\)
• B) \(49 a ^ { 2 } - 42 a c - 9 c ^ { 2 }\)
• C) \(49 a ^ { 2 } + 42 a c - 9 c ^ { 2 }\)
• D) \(49 a ^ { 2 } - 9 c ^ { 2 }\)

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Definitions:

Cut the Price

To reduce the selling price of a product or service.

Price Elasticity of Demand

A measure of how much the quantity demanded of a good changes in response to a change in its price.

Close Substitutes

Products or services that can be used in place of one another with little difference in satisfaction for the consumer, leading to a high cross-elasticity of demand.

Supply

The total amount of a good or service that is available for purchase at any given price level.