What is the inverse of f(x)= 1/(11.25x)-1/90 ?

The inverse of f(x)= 1/(11.25x)-1/90 is (90)/(1012.5x+11.25)

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inverse of f(x)= 1/(11.25x)-1/90

inverse

f (x) = \frac{1}{11.25 x} - \frac{1}{90}

\frac{90}{1012.5 x + 11.25}

Solution steps

y = \frac{1}{11.25 x} - \frac{1}{90}

Replace

x

with

y

x = \frac{1}{11.25 y} - \frac{1}{90}

Solve for

y, x = \frac{1}{11.25 y} - \frac{1}{90}

\frac{90}{1012.5 x + 11.25}

g (x) = 2 x + 4

f (x) = \frac{x + 4}{x - 1}

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

(5.2) (5.8)

f (x) = \frac{x + 3}{2 x ^{2} - 1}

What is the inverse of f(x)= 1/(11.25x)-1/90 ?
The inverse of f(x)= 1/(11.25x)-1/90 is (90)/(1012.5x+11.25)