Berapa nilai A dan B jika f(x) =ax+b, f(1)=-1, f(5)=11
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Pertanyaan
Berapa nilai A dan B jika f(x) =ax+b, f(1)=-1, f(5)=11
1 Jawaban
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1. Jawaban LorneJovanRustiadi
f(1) = a + b = -1
f(5) = 5a + b = 11
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-4a = -12
a = 3
a + b = -1
3 + b = -1
b = -4