What is the inverse of f(x)=10sqrt(x)-9 ?

The inverse of f(x)=10sqrt(x)-9 is (x^2)/(100)+(9x)/(50)+81/100

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inverse of f(x)=10sqrt(x)-9

inverse

f (x) = 10 x - 9

\frac{x ^{2}}{100} + \frac{9 x}{50} + \frac{81}{100}

Solution steps

y = 10 x - 9

Replace

x

with

y

x = 10 y - 9

Solve for

y, x = 10 y - 9

\frac{x ^{2}}{100} + \frac{9 x}{50} + \frac{81}{100}

(\frac{1}{2})^{x + 4}

f (x) = 7.48 x + 5

(- 2.3) (10.2)

f (x) = 2 (3 - x)

f (x) = x^{2} - 4 x + 1

What is the inverse of f(x)=10sqrt(x)-9 ?
The inverse of f(x)=10sqrt(x)-9 is (x^2)/(100)+(9x)/(50)+81/100