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Pertanyaan

begin mathsize 14px style f open parentheses x close parentheses equals 2 x squared plus 5 x end style dan begin mathsize 14px style g open parentheses x close parentheses equals 1 over x end style maka begin mathsize 14px style open parentheses f ring operator g close parentheses open parentheses 2 close parentheses end style adalah...

N. Puspita

Master Teacher

Jawaban terverifikasi

Pembahasan

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open parentheses f ring operator g close parentheses open parentheses x close parentheses end cell equals cell f open parentheses g open parentheses x close parentheses close parentheses end cell row blank equals cell f open parentheses 1 over x close parentheses end cell row blank equals cell 2 open parentheses 1 over x close parentheses squared plus 5 open parentheses 1 over x close parentheses end cell row blank equals cell 2 over x squared plus 5 over x end cell row cell open parentheses f ring operator g close parentheses open parentheses 2 close parentheses end cell equals cell 2 over 2 squared plus 5 over 2 end cell row blank equals cell 2 over 4 plus 5 over 2 end cell row blank equals cell 1 half plus 5 over 2 end cell row blank equals cell 6 over 2 end cell row blank equals 3 end table end style 

19

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Diketahui f(x)=x2+4x+4 dan g(x)=x2−4x+4. Rumus f(g(x))​+g(f(x))​=....

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