Use the Following to Answer Questions

question 17

Multiple Choice

Use the following to answer questions :
Due to a lightening strike, a forest fire begins to burn and is spreading outward in a shape that is roughly circular. The radius of the circle is modeled by the function r(t) = 3t, where t is the time in minutes and r is measured in meters.
-Write a function for the area burned by the fire directly as a function of t by computing (A ◦ r) (t) .

• A) (A ◦ r)(t) = 3πt²
• B) (A ◦ r)(t) = 9πt²
• C) (A ◦ r)(t) = 6πt
• D) (A ◦ r)(t) = 3π²t²

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Definitions:

Cattle

domesticated bovine animals kept for milk, meat, or as draught animals.

Sugar Production

The process of growing sugar crops, particularly sugarcane and sugar beet, and extracting sugar for consumption and commercial use.

South American Country

Any sovereign state located on the continent of South America.

Española

A term that can refer to a female of Spanish descent or, geographically, to the island of Hispaniola in the Caribbean, shared by Haiti and the Dominican Republic.