What is the domain of f(x)=2-cos(3x) ?

The domain of f(x)=2-cos(3x) is -infinity <x<infinity

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domain of f(x)=2-cos(3x)

domain

f (x) = 2 - cos (3 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

4 x + 3 y = 21

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

3 x + y = 3

(- 1, 2), (2, - 4)

3 (\frac{3}{x}) + 12

What is the domain of f(x)=2-cos(3x) ?
The domain of f(x)=2-cos(3x) is -infinity <x<infinity