Mark (√) against the correct answer in the following:

Let f(x) = √log (2x – x²). Then, dom (f) = ?

Mark (√) against the correct answer in the following:

Let f(x) = cos ^{- 1}(3x – 1). Then, dom (f) = ?

Mark (√) against the correct answer in the following:

Let f(x) = √cos x. Then, dom (f) = ?

Mark (√) against the correct answer in the following:

Let f(x) = x². Then, dom (f) and range (f) are respectively.

Mark (√) against the correct answer in the following:

Let f(x) = x³. Then, dom (f) and range (f) are respectively