The Function F $$f ( x ) = 800 ( 0.5 ) ^ { x / 60 }$$

question 91

Multiple Choice

The function f $$f ( x ) = 800 ( 0.5 ) ^ { x / 60 }$$ models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of
Radioactive material in the vault after 40 years. Round to the nearest whole number.

• A) 267 pounds
• B) 600 pounds
• C) 283 pounds
• D) 504 pounds

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Definitions:

Floaters

Tiny spots, specks, or lines that float across the field of vision, often due to changes in the vitreous humor of the eye.

Adherent Leukoma

A type of corneal scar where the opaque scar tissue adheres to the inner layer of the cornea, affecting vision.

Abbreviation

A shortened form of a word or phrase.

Vascularization

The process where body tissues grow new blood vessels.