Page 37 - FOCUS KSSM TG 4 MATEMATIK TAMBAHAN

Matematik Tambahan Tingkatan 4 Jawapan

8. (a) 1
10 1 x 2
11. (a) log y =(–k log 4) — + log h
10
10
y 2
– x (b) log y
6.0 y 2 10
5.8 Graf – melawan x 2 Graf log y melawan – 1 x
x
10
5.5 2.0 1.88
1.8
5.0
1.6
4.5 1.4
4.0 1.2
3.5 1.0
0.8
3.0
0.6
2.5 1
0.4 x
2.0 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08
1.5 (c) h = 75.86, k = 28.24
1.0 12. (a) y x Graf y x melawan x
0.5
12
x
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 10
(b) (i) p = 0.1103 (ii) q = 0.1724
8
9. (a)
y 6
7 Graf y melawan – 1 x 4
6
2
5
4 0 1 2 3 4 5 6 x
3
2 (b) (i) 4.246 (ii) 4.1
1 1.2 13. h = 3, k = 10
1
– 14. (a) log y = x + h
0 2 4 6 8 10 x 10
(b) (i) h = 2 (ii) k = 7
(b) (i) p = 1.2 (ii) q = 0.4 15. (a) h = 3, k = –2
(b) p = 1, q = 4
10. (a) (b) (i) n = 46 (ii) y = 11.5
xy Graf xy melawan x 2 16. (a) p = 2, q = 1
5 (b) log y = 2x + 1
3
y
log 3
4
5
3
2
1 1
x
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 x 2 O 2
1
(c) y = —
3
(b) p = –3, q = 5

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