Mathematics, 15.11.2019 09:31, kierafisher05

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. 31.40
b. 78.50
c. 28.14
d. 246.49

Answers: 2

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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. 31.40 b. 78.50 c. 28.14 d. 246.49

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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. 31.40
b. 78.50
c. 28.14
d. 246.49