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

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

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

domain

f (x) = cos (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

f (x) = - 4^{x} + 5

- 5 x + 10

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

x - 1 - 1

f (x) = 6 x + 2

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