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Matematika
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1 Jawaban
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1. Jawaban Anonyme
Bab Fungsi
Matematika SMP Kelas VIII
10] f(x) = -3x + 6
a] f(-3) = -3 . (-3) + 6
= 6 + 6
= 12
f(2) = -3 . 2 + 6
= -6 + 6
= 0
b] f(a) = -9
-3a + 6 = -9
-3a = -9 - 6
a = -15/-3
a = 5