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Diketahui fungsi f:R→R dan g:R→R dengan f(x)=x−2 dan g(x)=3x+41​. tentukan : b. (g∘f)(4)

Pertanyaan

Diketahui fungsi undefined dan undefined dengan begin mathsize 14px style f open parentheses x close parentheses equals x minus 2 end style dan begin mathsize 14px style g open parentheses x close parentheses equals fraction numerator 1 over denominator 3 x plus 4 end fraction end style. tentukan :

b. begin mathsize 14px style open parentheses g ring operator f close parentheses open parentheses 4 close parentheses end style 

  1. ...space 

  2. ...undefined 

F. Khansabyla

Master Teacher

Mahasiswa/Alumni Universitas Gadjah Mada

Jawaban terverifikasi

Pembahasan

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

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell left parenthesis g ring operator f right parenthesis left parenthesis 4 right parenthesis end cell equals cell fraction numerator 1 over denominator 3 x minus 2 end fraction end cell row blank equals cell fraction numerator 1 over denominator 3 left parenthesis 4 right parenthesis minus 2 end fraction end cell row cell left parenthesis g ring operator f right parenthesis left parenthesis 4 right parenthesis end cell equals cell 1 over 10 end cell end table end style  

13

5.0 (2 rating)

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