15cm HKDSE 2015 36 The gure shows a shaded region (including the boundary). If (a, b) is a point lying in the shaded region, which of the following are true? I- a _<_ ii. a b iii. _>_ 10 21) ,V A. I and 11 only B. I and III only C. II and I'll only D. I,Hand III 15A.3 HKCEE 2000 - 6 in? I Find the values of x which satisfy both x + 3 > O and ..x -3 l B. x>- 1 CIT)\":- 15B.7 HKCEE 1985 - 36 Which of the following is the solution of (x - 1) (x-3)