jika f(x) = 1/x +5 dan g(x) = 4x- 3 maka (gof) (2)
Matematika
AnisKh
Pertanyaan
jika f(x) = 1/x +5 dan g(x) = 4x- 3 maka (gof) (2)
1 Jawaban
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1. Jawaban whongaliem
f (s) = (1/x) + 5 dan g (x) = 4x - 3
(gof) (x) = g (f (x))
= g (1/x + 5)
= 4{(1/x)+ 5)} - 3
= (4/x) + 20 -3
= (4/x) + 17
(gof (2) = (4/2) + 17
= 2 + 17
= 19