A Large Copy Machine Sells for $16,000 When It Is

question 121

Multiple Choice

A large copy machine sells for $16,000 when it is new. Its value decreases $3,200 each year after that. We can use an arithmetic sequence to find the value of the machine at the end of each year. If we let represent the value when it is purchased, then is the value after 1 year, is the value after 2 years, and so on. Find the common difference d and the recursive formula for this sequence.

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Definitions:

Menstruation

Periodic discharge of bloody fluid from the uterus.

Folate

A form of vitamin B9, important for DNA synthesis and repair, red blood cell production, and preventing neural tube defects in pregnancy.

Vitamin C

An essential nutrient and antioxidant that supports immune function, skin health, and wound healing, and helps prevent oxidative stress.

Contains

To have or hold within something else; often used to describe the composition or elements included in an object or substance.