What is the domain of f(x)=3cos(x)-1 ?

The domain of f(x)=3cos(x)-1 is -infinity <x<infinity

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domain of f(x)=3cos(x)-1

domain

f (x) = 3 cos (x) - 1

- \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) = \frac{x - 3}{x ^{2} + 4 x - 21}

cos (t - 1)

\frac{1}{x - 4} - 6

- \frac{10 - 3 x}{1 + 8 x}

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

What is the domain of f(x)=3cos(x)-1 ?
The domain of f(x)=3cos(x)-1 is -infinity <x<infinity