Question

Function f(x)=1 - 1/×+2 find the following (i) f(-x) (ii) f(x+k) (2)​

Answer 1

`= 1 + (1)/( x) + 2 \\ 3 + (1)/(x) \\ = 1 - (1)/((x + y)2) = 1 - (1)/((2x + 2y))`