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The function f(r) gives the area of a circle with radius r. It can be written in equation form as f(r) = 3.14r2. What is f(5)? A. 28.14 B. 31.40 C. 246.49 D. 78.50
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The function f(r) gives the area of a circle with radius r. It can be written in equation form as f(r) = 3.14r2. What is f(5)?

A. 28.14
B. 31.40
C. 246.49
D. 78.50

User Roman Dolgiy
by
8.4k points

1 Answer

4 votes
It is 31.4 because you plug in the function of 5 into r
User Freerobots
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8.9k points
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