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

The range of f(x)=-2+sqrt(2-x) is f(x)>=-2

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range of f(x)=-2+sqrt(2-x)

range

f (x) = - 2 + 2 - x

f (x) \geq - 2

Interval Notation

[- 2, \infty)

Solution steps

The range of an radical function of the form

c a x + b + k

f (x) \geq k

k = - 2

f (x) \geq - 2

f (x) = \frac{2 x}{x ^{2} + 1}

\frac{1}{8} x^{3} - x^{2}

- 2 sin (- 2 x)

x = 2

7 x^{3} - x^{2} + 7 x - 1

What is the range of f(x)=-2+sqrt(2-x) ?
The range of f(x)=-2+sqrt(2-x) is f(x)>=-2