Determine Whether the Set Is fiNite or Infinite $$A \times B \text {, where } A = \{ 1,2,3,4,5 \} \text { and } B = \{ 1,2,3 \} \text {. }$$

question 3

Short Answer

determine whether the set is finite or infinite. If the set is finite, find its size.
- $$A \times B \text {, where } A = \{ 1,2,3,4,5 \} \text { and } B = \{ 1,2,3 \} \text {. }$$

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Definitions:

Nonselling Time

Periods during a salesperson's schedule that are not directly involved in selling activities, such as travel, administrative tasks, and training.

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including materials and labor.

Frequency of Customer Sales Calls

The number of times sales representatives contact or visit customers within a specific period to drive sales.