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If f(r)= 3.14 r^2 what is f(3)

If f(r)= 3.14 r^2 what is f(3)
asked 83.5k views
1 vote
If f(r)= 3.14 r^2 what is f(3)

asked
User Greg Buchholz
by
8.3k points

1 Answer

6 votes

Answer:

f(3) = 28.26

Explanation:

Substitute r = 3 into f(r) , that is

f(3) = 3.14 × 3² = 3.14 × 9 = 28.26

answered
User RamanSB
by
8.2k points
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