14
D
5
A
15
A
10
hanya (iii)
4
D
2
B
13
D
11
D
6
D
3
D
20
A. -1 dan 7, B. x = 3, C. (3,16), D. -9 <= y <= 16
1
C
7
A
12
A
19
D
8
D
16
B
17
B
18
B
9
B