What is the domain of f(x)=2cos(3(x))+1 ?

The domain of f(x)=2cos(3(x))+1 is -infinity <x<infinity

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domain of f(x)=2cos(3(x))+1

domain

f (x) = 2 cos (3 (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

4 x + 3

y = 2 x

f (x) = \frac{x + 1}{2 x - 3}

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

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

What is the domain of f(x)=2cos(3(x))+1 ?
The domain of f(x)=2cos(3(x))+1 is -infinity <x<infinity