SOLUTION: A fire has started in a dry open field and is spreading in the form of a circle. If the radius of this circle increases at the rate of 5 ft/min, express the total fire area A as a

Question 365070: A fire has started in a dry open field and is spreading in the form of a circle. If the radius of this circle increases at the rate of 5 ft/min, express the total fire area A as a function of time t (in minutes).
Please enter your answer without the units.

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi, 

*Note;  Area of a circle = 

radius increases at the rate of 5 ft/min

Let t represent the amount of minutes elapsed

A =  

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