dik f(x)= x²+4 , gof(x)= 2x²+9 , tentukan g(x)?
Matematika
indahdali12
Pertanyaan
dik f(x)= x²+4 , gof(x)= 2x²+9 , tentukan g(x)?
1 Jawaban
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1. Jawaban Syahrudi
[tex](gof)(x) = 2 {x}^{2} + 9 \\ g(f(x)) = 2 {x}^{2} + 9 \\ g( {x}^{2} + 4) = 2 {x}^{2} + 9[/tex]
[tex]g( {x}^{2} + 4) = 2( {x}^{2} + 4) + 1 \\ g(x) = 2x + 1[/tex]