Matematika

Pertanyaan

f(x) = 2x-1 per 3x + 4
g(x) = 2x-4
fog(x) = ....

1 Jawaban

  • [tex]f(x)= \frac{2x-1}{3x-4} \\ \\ g(x)=2x-4 \\ \\ fog(x)= \frac{2(2x-4)-1}{3(2x-4)-4} \\ \\ fog(x)= \frac{4x-8-1}{6x-12-4} \\ \\ fog(x)= \frac{4x-9}{6x-16} = \frac{4x-9}{2(3x-8)} = (\frac{1}{2} ). \frac{4x-9}{3x-8} [/tex]

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