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Jika diketahui f ( x ) = 5 x 2 − 4 dan g ( x ) = 3 x + 1 , maka tentukanlah : c. ( f ∘ g ) ( p − 4 )

Jika diketahui , maka tentukanlah :

c.  

E. Dwi

Master Teacher

Mahasiswa/Alumni Universitas Sriwijaya

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begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell left parenthesis f ring operator g right parenthesis left parenthesis x right parenthesis end cell equals cell 5 left parenthesis 3 x plus 1 right parenthesis squared minus 4 space end cell row blank equals cell 5 left parenthesis 9 x squared plus 6 x plus 1 right parenthesis minus 4 end cell row blank equals cell 45 x squared plus 30 x plus 1 end cell row cell left parenthesis f ring operator g right parenthesis left parenthesis negative 3 right parenthesis end cell equals cell 45 left parenthesis p minus 4 right parenthesis squared plus 30 left parenthesis p minus 4 right parenthesis plus 1 end cell row blank equals cell 45 left parenthesis p squared minus 8 p plus 16 right parenthesis plus 30 p minus 120 plus 1 end cell row blank equals cell 45 p squared minus 360 p plus 720 plus 30 p minus 119 end cell row blank equals cell 45 p squared minus 330 p plus 601 end cell end table end style    

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