What is the domain of f(x)=sqrt(5x+20) ?

The domain of f(x)=sqrt(5x+20) is x>=-4

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domain of f(x)=sqrt(5x+20)

domain

f (x) = 5 x + 20

x \geq - 4

Interval Notation

[- 4, \infty)

Solution steps

Find non-negative values for radicals:

x \geq - 4

The function domain

x \geq - 4

f (x) = \frac{x}{x + 16}

f (x) = - 6 x + 3

f (x) = x^{2} - x - 3

f (x) = 6 x e^{- 2 x^{2}}

\frac{1}{4} x - 3

What is the domain of f(x)=sqrt(5x+20) ?
The domain of f(x)=sqrt(5x+20) is x>=-4