(a)
K K
(1)
K K
K K
K K (2)
solve for x
(3)
K R
K (4)
solve for x
(5)
Answer: Domain of f(x) =
(b) (i)
K
1
(6)
2
(ii)
K
K
K7 (7)
(c)
K
K
, K
(8)
K
K
K
(9)
K
K
1
(10)
2
K
2 (11)
5
(12)
2
QUESTION 2
(a)
K
(13)
K
(14)
K
K
K (15)
K
(b)(i)
(16)
implicit differentiation