F(og)(x)=10x^2-8x-3, g(x)=2x+4, f^-1(x)=
Matematika
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Pertanyaan
F(og)(x)=10x^2-8x-3, g(x)=2x+4, f^-1(x)=
1 Jawaban
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1. Jawaban dharmawan12
fog (x) = 10x^2-8x -3, g(x) = 2x + 4
f (2x+4) = 10x^2 -8x -3
f (2x+4) = 5/2(2x+4)^2 -40x - 8x-40-3
f(2x+4) = 5/2(2x+4)^2 -48x -43
f(2x+4) = 5/2(2x+4)^2 -24(2x +2)+5
f(x) = (5/2)x^2 -24x +5