Question

What is the inverse one to one function of f(x) = square root of x-2???

Answer 1

`f(x) = √(x - 2) \\y = √(x - 2) \\y^(2) = (√(x - 2))^(2) \\y^(2) = x - 2 \\x^(2) = y - 2 \\x^(2) + 2 = y \\x^(2) + 2 = f^(-1)(x)`