1.5.6 Inverse Function Example 6 (Comparison Method) May 19, 2020February 26, 2013 by Example 6 (Comparison Method)If f : x ↦ m x − n x − 2 , x ≠ 2 and f − 1 : x ↦ 5 − 2 x 2 − x , x ≠ 2. . Find the value of m and of n,
why the bracket (-1/-1)?
（-1/-1）stand for what？can explain？