f(x)= 3x+2 dan g(x)= 3x²-2x+3 Hasil dari (f•g)(x)

FuNgSI KomPosiSI
Matematika Wajib
Kelas VIII SMP dan X SMA
KTSP 2006 dan Kurikulum 2013

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Penyelesaian

f (x) = 3x + 2

g (x) = 3x² - 2x + 3

(f o g) (x) = ....?


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(f o g) (x) = f ([tex] g_{(x)} [/tex])
                = 3 ([tex] g_{(x)} [/tex]) + 2
                = 3 (3x² - 2x + 3) + 2
                = 9x² - 6x + 9 + 2
(f o g) (x) = 9x² - 6x + 11


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Semangat!!!