Diketahui: f(x)=x+2 g(x)=4x+3 Tentukan:(gof)^-1(x)
Matematika
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Pertanyaan
Diketahui: f(x)=x+2
g(x)=4x+3
Tentukan:(gof)^-1(x)
g(x)=4x+3
Tentukan:(gof)^-1(x)
1 Jawaban
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1. Jawaban Anonyme
f(x) = x + 2
g(x) = 4x + 3
(gof)(x)
= 4(x + 2) + 3
= 4x + 11
y = 4x + 11
x = (y - 11)/4
(gof)^-1 (x) = (x - 11)/4