Question

Find the inverse of f(x)= √x-2 where the domain is D=[2, ∞]. Write the whole process

Answer 1

Given the function;

`\begin{gathered} f(x)=√(x-2) \\ \\ D=[2,\infty) \end{gathered}`

Let y=f(x);

Thus;

`\begin{gathered} y=√(x-2) \\ \\ \text{ Swap x and y;} \\ \\ \end{gathered}`