What is the domain of 2^x+1 ?

The domain of 2^x+1 is -infinity <x<infinity

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domain of 2^x+1

domain

2^{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

\frac{x + 1}{x - 6}

f (x) = 2 x^{2} - 6 x + 4 - 3 x - 5

f (x) = \frac{3}{sin ( x )} + 5

g (x) = \frac{4 + x}{1 - x}

f (x) = \frac{1}{x ^{2} + 25}