What is the domain of f(x)=2(2)^x-5 ?

The domain of f(x)=2(2)^x-5 is -infinity <x<infinity

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domain of f(x)=2(2)^x-5

domain

f (x) = 2 (2)^{x} - 5

- \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

\frac{1}{5.7 x - 8.1 x ^{2}}

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

- \frac{1}{2} x + 3

f (x) = \frac{x + 9}{x}

\frac{x - 5}{3}

What is the domain of f(x)=2(2)^x-5 ?
The domain of f(x)=2(2)^x-5 is -infinity <x<infinity