Range of the function $f(x) = 9 - 7 \sin x$ is

Range of the function $f(x) = \frac{x^2 + x + 2}{x^2 + x + 1}; x \in R$ is

The domain of the function $f(x) = \frac{1}{\sqrt{|x|-x}}$ is

If $[\cdot]$ denotes the greatest integer function,then the domain and range of the function $f(x) = \frac{\sin([x]\pi) + \tan([x]\pi)}{1 + [x]^2 + [x]^4}$ are respectively

The least value of $2^{(x^2 - 3)^3+27}$ is-

If the range of the function $f(x) = -3x - 3$ is $\{3, -6, -9, -18\}$,then which one of the following is not in the domain of $f$?