Jika f(x)=2x+1 dan g(x)=x^2-1 maka nilai (gof)(5)=
Matematika
Kurnia010901
Pertanyaan
Jika f(x)=2x+1 dan g(x)=x^2-1 maka nilai (gof)(5)=
1 Jawaban
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1. Jawaban dwioktavianinds
g(2x+1)
=g(2(5)+1)
=g(11)
=x^2-1(11)
=11^2-1
=121-1
=120