Jika f(x) = x3 -1 dan 9 (x) = 2x +5 , maka (9°f) (x)
Matematika
gracilla1576
Pertanyaan
Jika f(x) = x3 -1 dan 9 (x) = 2x +5 , maka (9°f) (x)
1 Jawaban
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1. Jawaban francescotb
g(f(x))=g(x³-1)
=2(x³-1)+5
=2x³-2+5
=2x³+3