What is the domain of f(x)=2cos(y)-1 ?

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

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domain of f(x)=2cos(y)-1

domain

f (x) = 2 cos (y) - 1

- \infty < y < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < y < \infty

\frac{x ^{2} + 5 x + 6}{x + 2}

f (x) = 2 sec (x)

y = \frac{3}{x + 1}

f (x) = \frac{x}{2 x - 3} y g (x) = x

y = (x + 9)^{\frac{1}{4}}

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