jika f(x)=2x+1 dan g(x)=1-3x temukan nilai a agar fog(a)=5
Matematika
SAaEll
Pertanyaan
jika f(x)=2x+1 dan g(x)=1-3x temukan nilai a agar fog(a)=5
1 Jawaban
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1. Jawaban ahreumlim
f(x) = 2x + 1
g(x) = 1 - 3x
fog(x)
= 2(1 - 3x) + 1
= 2 - 6x + 1
= 3 - 6x
fog(a) = 5
3 - 6a = 5
3 - 5 = 6a
-2 = 6a
a = -2/6
a = -1/3