G(x) = x²+4x-1 (Gof)(x) = 9x²-18x+4 Jika f(2) = 1 Maka f(5) = ...
Matematika
lyien
Pertanyaan
G(x) = x²+4x-1
(Gof)(x) = 9x²-18x+4
Jika f(2) = 1
Maka f(5) = ...
(Gof)(x) = 9x²-18x+4
Jika f(2) = 1
Maka f(5) = ...
1 Jawaban
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1. Jawaban alwiyanibadawi
dik g(x) = x²+4x-1
(g o f ) (x) = g (f(x))
jika f(2)=1
maka f(5) = g (5)
= 5²+4(5)-1 = 25 +20-1 = 44