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

The domain of f(x)=-2sqrt(x) is x>= 0

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

domain

f (x) = - 2 x

x \geq 0

Interval Notation

[0, \infty)

Solution steps

Find non-negative values for radicals:

x \geq 0

The function domain

x \geq 0

f (x) = x^{2} - 8 x + 16

x^{2} + 2 x - 8

f (x) = \frac{2}{x ^{2} - 7 x + 10}

f (x) = lo g_{10} (2) (x + 1)

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