diketahui f(x+2)=(x+7) (fog) (x) =2x+8 g(x) = ....
Matematika
suryaagusyah
Pertanyaan
diketahui f(x+2)=(x+7) (fog) (x) =2x+8 g(x) = ....
1 Jawaban
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1. Jawaban inasukma2
F (x+2) =x+7 misalkan dengan t
t=x+2
X=t-2
F (x+2) = (t-2) +7
=t+5
(fog) (x) =2x+8
F (g (x)) =2x+8
g (x) +5 =2x+8
g (x) =2x+8-5
g (x) =2x+3