Cindy Regularly Makes Long Distance Phone Calls to Three Foreign

question 9

Multiple Choice

Cindy regularly makes long distance phone calls to three foreign cities: London, Tokyo, and Hong Kong. The matrices A and B give the lengths (in minutes) of her calls during peak and nonpeak hours, respectively, to each of these three cities during the month of June. and The costs for the calls (in dollars per minute) for the peak and nonpeak periods in the month in question are given, respectively, by the matrices Compute the matrix AC + BD

• A) AC + BD = 287.80
• B) AC + BD = 287.30
• C) AC + BD = 288.10
• D) AC + BD = 287.60

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Definitions:

Nonspecific Defense

Mechanisms of the immune system that provide immediate but general protection against pathogens, without targeting specific organisms.

Spleen Removal

A surgical procedure, also known as splenectomy, performed to remove the spleen due to conditions such as trauma, disease, or blood disorders.

Abscess

A collection of pus (white blood cells, bacteria, and dead skin cells) that forms as a result of infection.

Liver Functions

Involved in detoxification, protein synthesis, and production of biochemicals necessary for digestion.