10 Ways To Win A Girl's Heart: The Good Guy's Guide To Winning At The Game Of Love

10 Ways To Win A Girl's Heart: The Good Guy's Guide To Winning At The Game Of Love

Matematika Sekolah Menengah Atas Diketahui  (fog)(x) = 2x2 - 6x + 9 dan f(x) = 2x + 5. Fungsi g(x) adalah​

Diketahui  (fog)(x) = 2x2 - 6x + 9 dan f(x) = 2x + 5. Fungsi g(x) adalah​

Jawaban:

x²-3x+2

Penjelasan dengan langkah-langkah:

f(g(x))= 2x²-6x+9

2(g(x))+5= 2x²-6x+9

2(g(x))= 2x²-6x+4

g(x)= x²-3x+2

Penjelasan dengan langkah-langkah:

(fog)(x) = 2x² - 6x + 9

f(x) = 2x + 5

f( g(x) ) = (fog)(x)

2g(x) + 5 = 2x² - 6x + 9

2g(x) = 2x² - 6x + 4

g(x) = (2x² - 6x + 4) : 2

g(x) = x² - 3x + 2

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