What is the domain of f(x)=2x+7 ?

The domain of f(x)=2x+7 is -infinity <x<infinity

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domain of f(x)=2x+7

domain

f (x) = 2 x + 7

- \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

f (x) = \frac{x ^{2} - 25}{x - 5}

f (x) = 4 x + 52

\frac{1}{x} + 10

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

f (x) = \frac{6}{x + 4} - \frac{1}{2 - x}

What is the domain of f(x)=2x+7 ?
The domain of f(x)=2x+7 is -infinity <x<infinity