What is the range of f(x)= 4/(x-5) ?

The range of f(x)= 4/(x-5) is f(x) 0

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range of f(x)= 4/(x-5)

range

f (x) = \frac{4}{x - 5}

f (x) < 0 or f (x) > 0

Interval Notation

(- \infty, 0) \cup (0, \infty)

Solution steps

The function range is the combined domain of the inverse functions

Find the inverse function(s) of:

\frac{4}{x - 5}

Inverse of

\frac{4}{x - 5} : \frac{4}{x} + 5

\frac{4}{x} + 5

Find the domain of each inverse function

Domain of

\frac{4}{x} + 5 : x < 0 or x > 0

Combine the intervals

f (x) < 0 or f (x) > 0

x

f (x) = \frac{x ^{3}}{3} - 2 x^{2} + 4 x + 3

f (x) = \frac{6 + x}{8 - x}

x + y = - 3

What is the range of f(x)= 4/(x-5) ?
The range of f(x)= 4/(x-5) is f(x)<0\lor f(x)>0