defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Relations and Functions Domain of a Function
The domain and range of the real function f defined by f (x) = \(\rm \frac{4-x}{x-4}\) is given by
1
Domain = R, Range = {–1, 1}
2
Domain = R – {1}, Range = R
3
Domain = R – {4}, Range = {– 1}
4
Domain = R – {– 4}, Range = {–1, 1}