What is the domain of xcos(2x) ?

The domain of xcos(2x) is -infinity <x<infinity

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domain of xcos(2x)

domain

x cos (2 x)

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

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

- \infty < x < \infty

f (x) = - 5 x + 45

f (x) = \frac{4 x + 7}{4 x + 8}

\frac{( 1 - ln ( 2 x ) )}{x}

f (x) = 5 x^{2} - 48 x + 27

f (x) = 230 x - x^{2}

What is the domain of xcos(2x) ?
The domain of xcos(2x) is -infinity <x<infinity