Jika f(x) = 5x + 2 dan g(x) = -2x + 1, maka (f o g) (2) = . . .
Matematika
adelarhmntc
Pertanyaan
Jika f(x) = 5x + 2 dan g(x) = -2x + 1, maka (f o g) (2) = . . .
1 Jawaban
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1. Jawaban αζμγα
(f o g)(x) = f(-2x + 1)
= 5(-2x + 1) + 2
= -10x + 5 + 2
= -10x + 7
(f o g)(2) = -10(2) + 7
= -20 + 7
= -13