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

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

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domain of f(x)=1+cos(x)

domain

f (x) = 1 + cos (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

7 x^{2} + 1

f (x) = - 3 x^{2} + 7

f (x) = 2 x^{4} + 4 x^{3} + 2 x^{2}

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

\frac{x + 5}{1 - 2 x}

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