fungsi f(x) = 2x-7 jika f(a) =11 maka nilai a =
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Pertanyaan
fungsi f(x) = 2x-7 jika f(a) =11 maka nilai a =
1 Jawaban
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1. Jawaban Cellinsaja
f(x) = 2x - 7
f(a) = 11
a = x
2a - 7 = 11
2a = 11 + 7
2a = 18
a = 18/2
a = 9