Find the range:
(i) f(x) = 1+x
(ii) f(x) `= (1)/(x) , x != 0`

Explanation

(i) Given that f(x) = 1 + x
Domain = R
Range = R
(ii) Given that `f(x) = (1)/(x), x != 0`
Domain = R - {0}
Let `y = (1)/(x)`
`rArr x = (1)/(y)`
For x to be defined, `y != 0`
`:.` Range = R - {0}