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

The domain of f(x)=sqrt(x+7) is x>=-7

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domain of f(x)=sqrt(x+7)

domain

f (x) = x + 7

x \geq - 7

Interval Notation

[- 7, \infty)

Solution steps

Find non-negative values for radicals:

x \geq - 7

The function domain

x \geq - 7

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

f (x) = (x + 4)^{2} (1 - x)

6 x - 3 y = 12

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