What is the domain of f(x)=sqrt(2x+4) ?

The domain of f(x)=sqrt(2x+4) is x>=-2

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domain of f(x)=sqrt(2x+4)

domain

f (x) = 2 x + 4

x \geq - 2

Interval Notation

[- 2, \infty)

Solution steps

Find non-negative values for radicals:

x \geq - 2

The function domain

x \geq - 2

f (x) = \frac{e ^{x} - 3}{2}

\frac{1 + 4 x ^{6}}{2 - x ^{3}}

f (x) = \frac{2}{3} (x - 1)^{2} - 3

f (x) = - 2 x - 3 - 1

f (x) = 140 (1.6)^{x}