F(x)= x²+2x g(x)= 10x+11 tentutakn (fog)(x) dan (gof)(x)
Matematika
Ikhlasulamal12
Pertanyaan
F(x)= x²+2x g(x)= 10x+11 tentutakn (fog)(x) dan (gof)(x)
1 Jawaban
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1. Jawaban rakaaldino
(fog)(x)=f(g(x))
=(10x+11)²+2(10x+11)
=100x²+220x+111+20x+22
= 100x²+240x+133
(gof)(x)=g(f(x))
=10(x²+2x)+11
=10x²+20x+11