f(x)=2/x,g(x)=3x-4,(fog)-1(x)=
Matematika
jannahismail
Pertanyaan
f(x)=2/x,g(x)=3x-4,(fog)-1(x)=
1 Jawaban
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1. Jawaban Anonyme
f(x) = 2/x
g(x) = 3x - 4
(fog)(x) = y = 2/(3x - 4)
y(3x - 4) = 2
3xy - 4y = 2
3xy = 2 + 4y
x = (2 + 4y)/(3y)
(fog)^-1 (x) = (2 + 4x)/(3x)