Let f:(4,6)→(6,8) be a function defined by f(x)=x+[x2] (where [.] denotes the greatest integer function), then f−1(x) is equal to

Let f:(4,6)→(6,8) be a function defined by f(x)=x+[x2] (where [.] de

1.	Let f:(4,6)→(6,8) be a function defined by f(x)=x+[x2] (where [.] denotes the greatest integer function), then f−1(x) is equal to
Answer» Let $f : (4, 6) \to (6, 8)$ be a function defined by $f (x) = x + [\frac{x}{2}]$ (where [.] denotes the greatest integer function), then $f^{- 1} (x)$ is equal to