What is the domain of f(x)=2pir^2+12pir ?

The domain of f(x)=2pir^2+12pir is -infinity <r<infinity

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domain of f(x)=2pir^2+12pir

domain

f (x) = 2 π r^{2} + 12 π r

- \infty < r < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < r < \infty

y = - (x + 1)^{3} + 27

f (x) = \frac{4 - x ^{2} - 1}{1 - ∣ x - 2 ∣}

f (x) = \frac{1}{4 x - 16}

3 + x

f (x) = (\frac{4}{x}) + 2

What is the domain of f(x)=2pir^2+12pir ?
The domain of f(x)=2pir^2+12pir is -infinity <r<infinity