Question 18

Find the domain of each of the following functions given by 1 1

• (i)f ( x) =
• (ii)f ( x) = 1 − cos x x+ x x3 − x + 3
• (iii)f (x) = x x
• (iv)f (x) = x 2 −1 3x (v) f (x) = 2x −8