$\text { Find an expression for } \frac { d } { d t } [ x ( t ) . ( y ( t ) \times z ( t ) ) ] \text {. }$

question 6

Short Answer

$\text { Find an expression for } \frac { d } { d t } [ x ( t ) . ( y ( t ) \times z ( t ) ) ] \text {. }$

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Definitions:

Penetration Pricing

A marketing strategy where a product is priced lower than its competitors in order to attract customers and gain market share.

Price Skimming

A pricing strategy involving setting high prices at the launch of a new product to maximize profits from customers willing to pay more, before reducing the price over time.

Consumer Credit

Credit extended by retailers to the ultimate customers for the purchase of products or services.

Business Credit

A measure of a company's ability to obtain goods, services, or funds based on the promise to pay in the future.