angel240gc angel240gc
  • 03-06-2020
  • Mathematics
contestada

f(r) = 3.14r2 . What is f(3)?

Respuesta :

CHERLYNnotCHERRY
CHERLYNnotCHERRY CHERLYNnotCHERRY
  • 03-06-2020

Answer:

The value of f(3) = 28.26

Step-by-step explanation:

You have to do is to substitute r = 3 into the function :

[tex]f(r) = 3.14 \times {r}^{2} [/tex]

[tex]f(3) = 3.14 \times {3}^{2} [/tex]

[tex]f(3) = 3.14 \times 9[/tex]

[tex]f(3) = 28.26[/tex]

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