Pertanyaan :
Jawaban :
6. A = { m, i, n, a, t}
B = { d, a, p, t}
n (A) = 5
n (B) = 4
A ke B = 4 pangkat 5 = 1024 pemetaan
B ke A = 5 pangkat 4 = 625 pemetaan
7. f(x) = ax + b
f(-2) = -1 f(5) = -15
Subtitusikan
-1 = -2a + b
-15 = 5a + b -
——————–
14 = -7a
a = -2
-15 = 5a + b
-15 = 5.-2 + b
-15 = -10 + b
-b = -10 + 15
-b = 5
b = -5
B = { d, a, p, t}
n (A) = 5
n (B) = 4
A ke B = 4 pangkat 5 = 1024 pemetaan
B ke A = 5 pangkat 4 = 625 pemetaan
7. f(x) = ax + b
f(-2) = -1 f(5) = -15
Subtitusikan
-1 = -2a + b
-15 = 5a + b -
——————–
14 = -7a
a = -2
-15 = 5a + b
-15 = 5.-2 + b
-15 = -10 + b
-b = -10 + 15
-b = 5
b = -5
maaf yang nomor 8 saya kurang bisa