What is the domain of 2(pi)(r^2)+12(pi)(r) ?

The domain of 2(pi)(r^2)+12(pi)(r) is -infinity <r<infinity

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domain of 2(pi)(r^2)+12(pi)(r)

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

x^{3} + 2 x + 5

f (x) = \frac{1}{( x - 1 ) ( x + 3 )}

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

f (x) = 5^{2 x - 1} - 2

x^{3} + 2 x - 3

What is the domain of 2(pi)(r^2)+12(pi)(r) ?
The domain of 2(pi)(r^2)+12(pi)(r) is -infinity <r<infinity