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

The range of f(x)=-sqrt(x) is f(x)<= 0

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range of f(x)=-sqrt(x)

range

f (x) = - x

f (x) \leq 0

Interval Notation

(- \infty, 0]

Solution steps

The range of an radical function of the form

- c a x + b + k

f (x) \leq k

k = 0

f (x) \leq 0

d o main f (x) = ln (x^{2} - x - 20)

a sy m pt o t es f (x) = \frac{3 x ^{2} + 6}{x ^{2} - 2 x - 3}

in v erse f (x) = \frac{x + 2}{5 x - 1}

e x t re m e f (x) = x^{4} - 3 x^{2}

a sy m pt o t es f (x) = \frac{2 x + 8}{x ^{2} + 3 x - 4}