What is the domain of y=2^x+3 ?

The domain of y=2^x+3 is -infinity <x<infinity

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domain of y=2^x+3

domain

y = 2^{x} + 3

- \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

8 - x + 4

y = \frac{2 x ^{2} + 3 x - 5}{x ^{2} + 2}

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

f (x) = \frac{8}{2 x - 6}

\frac{x ^{2} - 9 x + 14}{x ^{2} - 5 x + 6}