What is the domain of 2pir^2+12pir ?

The domain of 2pir^2+12pir is -infinity <r<infinity

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domain of 2pir^2+12pir

domain

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

f (x) = - 2^{- x} + 6

f (x) = \frac{3 x ^{2}}{x ^{3} - 3 ^{2}}

f (x) = \frac{( x + 2 )}{( x ^{3} - 100 x )}

f (x) = \frac{4}{3 x - 12}

f (x) = t^{2} - 4

What is the domain of 2pir^2+12pir ?
The domain of 2pir^2+12pir is -infinity <r<infinity