Page 309 - Matematik Tambahan Tingkatan 4 KSSM

y
2. (a) 1 – (b) ––
y x 2
1 y
–
Graf melawan x 5.0
––
y Graf melawan x
2
x
2.5
4.5
2 4.0
3.5
1.5
3.0
1
2.5
0.5 2.0
1.5
x
0 0.5 1 1.5 2
1.0
–0.5
0.5
–1 x
0 0.5 1 1.5 2.0 2.5 3.0

(c) a = 1.504
31 b = 0.5
(b) (i) q = −0.75 (ii) p =
16 3. (a) log y = b log a + x log a
10
10
10
5 (b)
(iii) y = log y
7 10
1.8
Graf log y melawan x
Latihan Intensif 6.2 10
1.6
1.
1.4
Tak Kecerunan, pintasan-Y,
linear Linear Paksi-Y Paksi-X m c 1.2
2
(a) y = 5x y 1.0
+ 3x x 2 = 5 y 1 3 5
3 x 2 x 0.8
+
x
0.6
(b) y = p x y x =
q px + q y x x p q 0.4
+
x 0.2
(c) y = ax b log y = x
10 0 1 2 3 4 5
log a + log y log x b log a
10 10 10 10 (c) a = 2.011
b log x
10
b = 0.5275
(d) x = mxy x = Latih Diri 6.6
+ ny y x x m n
mx + n y 1. (a)
log y
10
2.0 Graf log y melawan x
(e) yp = q log y = 10
x
10
–log px log y x –log p log q 1.5
10 10 10 10
+ log q
10 1.0
(f) y(b – x) x = – 0.5
x
= ax y a x x – 1 b x
b y a a 0 2 4 6 8 10 12 14 16
+ (b) (i) p = 2.512
a
(ii) q = 1.259
(c) y = 7.943
y
2. (a) = ax + b
x 2
301