What is the domain of f(x)=-2sqrt(x-3) ?

The domain of f(x)=-2sqrt(x-3) is x>= 3

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domain of f(x)=-2sqrt(x-3)

domain

f (x) = - 2 x - 3

x \geq 3

Interval Notation

[3, \infty)

Solution steps

Find non-negative values for radicals:

x \geq 3

The function domain

x \geq 3

y = \frac{5 x}{x ^{2} + 81}

f (x) = \frac{2 - x}{x ^{2} - 9}

f (x) = \frac{2 x ^{2} - 2 x}{x ^{4}}

f (x) = - 13 x + 1

y = 3 x^{2} - 4 x - 1

What is the domain of f(x)=-2sqrt(x-3) ?
The domain of f(x)=-2sqrt(x-3) is x>= 3