engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Mathematics Relations and Functions Range of a Function
The domain and range of y(x) = cos x - 3 are respectively
1
\(\mathbb{R}\) and [-1, 1]
2
\(\mathbb{R}\) and [-4, -2]
3
\(\mathbb{R}\) / {0} and [0, 1]
4
\(\mathbb{R}/\left\{ {(2n + 1)\frac{\pi }{2}} \right\}\) and [-1, 1]