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Diketahui

Diketahui 

begin mathsize 14px style f left parenthesis x right parenthesis equals x squared minus 4 x plus 2 space dan space g left parenthesis x right parenthesis equals 4 x minus 5. space Jika space h left parenthesis x right parenthesis equals f left parenthesis x right parenthesis. g left parenthesis x right parenthesis space plus space 2 g left parenthesis x right parenthesis comma space nilai space h left parenthesis 3 right parenthesis equals... end style 

  1. begin mathsize 14px style negative 7 end style 

  2. begin mathsize 14px style negative 6 end style 

  3. begin mathsize 14px style negative 1 end style 

  4. begin mathsize 14px style 6 end style 

  5. begin mathsize 14px style 7 end style 

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell h left parenthesis x right parenthesis end cell equals cell f left parenthesis x right parenthesis. g left parenthesis x right parenthesis plus 2 g left parenthesis x right parenthesis end cell row cell h left parenthesis 3 right parenthesis end cell equals cell open parentheses x squared minus 4 x plus 2 close parentheses. open parentheses 4 x minus 5 close parentheses plus 2 left parenthesis 4.3 minus 5 right parenthesis end cell row blank equals cell open parentheses 3 squared minus 4.3 plus 2 close parentheses. open parentheses 4.3 minus 5 close parentheses plus 2.7 end cell row blank equals cell open parentheses negative 1 close parentheses open parentheses 7 close parentheses plus 14 end cell row blank equals 7 end table end style  

Jadi jawaban yang tepat adalah E

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