Jawab:
Nilai a-b = -2 - 7 = -9
Penjelasan dengan langkah-langkah:
f(x) = 4x-1;
f(a) = -9
f (a) == 4.a - 1 = - 9
4a -1 = - 9
4a = - 8
a = - 2
f(2) ==4.2 - 1 = b
.= 8 - 1 = b
b = 7
Mapel : MATEMATIKA
Kelas : X SMA
Bab : Fungsi
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Jawab:
Nilai a-b = -2 - 7 = -9
Penjelasan dengan langkah-langkah:
f(x) = 4x-1;
f(a) = -9
f (a) == 4.a - 1 = - 9
4a -1 = - 9
4a = - 8
a = - 2
f(2) ==4.2 - 1 = b
.= 8 - 1 = b
b = 7
Nilai a-b = -2 - 7 = -9
Mapel : MATEMATIKA
Kelas : X SMA
Bab : Fungsi