dnbaker09 dnbaker09

13-04-2017
Mathematics

contestada

C(r), the circumference of a tire, is based on the radius, r. What is an appropriate domain for the function?

Respuesta :

27-04-2017

Given:

C (r) is the circumference of a tire
with radius, r
The appropriate domain for the function is needed.

First, we set-up the equation for the circumference of a circle, assuming that the tire is a perfect circle:

C (r) = 2 * pi * r

the domain of the function is all values of r greater than zero. It can also be written as [1, infinity)

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