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A forest fire leaves behind an area of grass burned in an expanding circular pattern. If
Chapter 3, Problem 94(choose chapter or problem)
QUESTION:
A forest fire leaves behind an area of grass burned in an expanding circular pattern. If the radius of the circle of burning grass is increasing with time according to the formula r(t) = 2t + 1, express the area burned as a function of time, t (minutes).
Questions & Answers
QUESTION:
A forest fire leaves behind an area of grass burned in an expanding circular pattern. If the radius of the circle of burning grass is increasing with time according to the formula r(t) = 2t + 1, express the area burned as a function of time, t (minutes).
ANSWER:Step 1 of 2
Area of circle ,