What is the domain of f(x)=4-2^{-x} ?

The domain of f(x)=4-2^{-x} is -infinity <x<infinity

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domain of f(x)=4-2^{-x}

domain

f (x) = 4 - 2^{- 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

x y - x^{2} - 1 = 0

\frac{4 x}{9 x - 5}

g (x) = 3 x - 6

y = ln (x^{2})

\frac{x - 1}{x ^{2} - 4}

What is the domain of f(x)=4-2^{-x} ?
The domain of f(x)=4-2^{-x} is -infinity <x<infinity