What is the domain of f(r)=3.14r^2 ?

The domain of f(r)=3.14r^2 is -infinity <r<infinity

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domain of f(r)=3.14r^2

domain

f (r) = 3.14 r^{2}

- \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

\frac{8}{3 - x}

f (x) = 16 - (x - 1)^{2}

f (x) = \frac{3 x + 6}{x - 2}

f (x) = - 16 x^{2} + 96 x

f (x) = \frac{4 ( x + 5 )}{x ^{2} + x - 20}

What is the domain of f(r)=3.14r^2 ?
The domain of f(r)=3.14r^2 is -infinity <r<infinity