What is the domain of f(x)=-2sqrt(x-7) ?

The domain of f(x)=-2sqrt(x-7) is x>= 7

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domain of f(x)=-2sqrt(x-7)

domain

f (x) = - 2 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

f (x) = (4 x - 7) (1 - 3)

f (x) = lo g_{10} (x^{2} - 7 x + 12)

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

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

(x - 3)^{2} - 1

What is the domain of f(x)=-2sqrt(x-7) ?
The domain of f(x)=-2sqrt(x-7) is x>= 7