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A(r) is a function that gives the area of a circle with radius r. It can be written in equation form as A(r) = 3.14r2. What is the value of A(4)?

A. 157.75
B. 25.12
C. 19.14
D. 50.24

1 Answer

6 votes
3.14x16 or 50.24 is the answer
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User Jeff Dickey
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