What is the inverse of f(x)=x^2-10x-5 ?

The inverse of f(x)=x^2-10x-5 is 5+sqrt(x+30),5-sqrt(x+30)

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inverse of f(x)=x^2-10x-5

inverse

f (x) = x^{2} - 10 x - 5

5 + x + 30, 5 - x + 30

Solution steps

y = x^{2} - 10 x - 5

Replace

x

with

y

x = y^{2} - 10 y - 5

Solve for

y, x = y^{2} - 10 y - 5

5 + x + 30, 5 - x + 30

\frac{4 - x}{x}

y = 3 (x - 2)^{2} + 4

y = 1.8 x + 32

f (x) = 3 (x + 4) - 5

f (x) = (\frac{x ^{\frac{1}{7}}}{7})^{3} - 9

What is the inverse of f(x)=x^2-10x-5 ?
The inverse of f(x)=x^2-10x-5 is 5+sqrt(x+30),5-sqrt(x+30)