Diketahui g(x)=3-2x dan (gof)(x)=2x-4.rumus fungsi f(x)=
Matematika
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Pertanyaan
Diketahui g(x)=3-2x dan (gof)(x)=2x-4.rumus fungsi f(x)=
2 Jawaban
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1. Jawaban FionaCitra
g(x) = 3 - 2x
(gof)(x) = 2x - 4
g(f(x)) = 2x - 4
3 - 2(f(x)) = 2x - 4
3 - 2x + 4 = 2(f(x))
-2x + 7 = 2(f(x))
(-2x +7)/2 = f(x) -
2. Jawaban Anonyme
Bab Fungsi Komposisi
Matematika SMA Kelas X
(gof) (x) = 2x - 4
3 - 2 f(x) = 2x - 4
-2 f(x) = 2x - 4 - 3
f(x) = (2x - 7)/-2
f(x) = -x + (7/2)