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Pertidaksamaan ∣∣​x−12x+7​∣∣​≥1 dipenuhi oleh x dalam interval ...

Pertanyaan

Pertidaksamaan open vertical bar fraction numerator 2 x plus 7 over denominator x minus 1 end fraction close vertical bar greater or equal than 1 dipenuhi oleh x dalam interval ...

  1. open square brackets negative 2 comma space 8 close square brackets

  2. left parenthesis negative infinity comma space minus 8 right square bracket union left square bracket negative 2 comma space infinity right parenthesis 

  3. left square bracket negative 8 comma space 1 right parenthesis union open parentheses 1 comma space infinity close parentheses

  4. left square bracket negative 2 comma space 1 right parenthesis union left parenthesis 1 comma space 8 right square bracket

  5. open parentheses infinity comma space minus 8 close parentheses union left square bracket negative 2 comma space 1 right parenthesis union left parenthesis 1 comma space infinity right parenthesis

I. Sutiawan

Master Teacher

Mahasiswa/Alumni Universitas Pasundan

Jawaban terverifikasi

Pembahasan

table attributes columnalign right center left columnspacing 0px end attributes row cell open vertical bar fraction numerator 2 x plus 7 over denominator x minus 1 end fraction close vertical bar end cell greater or equal than 1 row cell fraction numerator open vertical bar 2 x plus 7 close vertical bar over denominator open vertical bar x minus 1 close vertical bar end fraction end cell greater or equal than 1 row cell open vertical bar 2 x plus 7 close vertical bar end cell greater or equal than cell open vertical bar x minus 1 close vertical bar end cell row cell left parenthesis left parenthesis 2 x plus 7 right parenthesis plus left parenthesis x minus 1 right parenthesis right parenthesis left parenthesis 2 x plus 7 right parenthesis minus left parenthesis x minus 1 right parenthesis right parenthesis end cell greater or equal than 0 row cell left parenthesis 2 x plus 7 plus x minus 1 right parenthesis left parenthesis 2 x plus 7 minus x plus 1 right parenthesis end cell greater or equal than 0 row cell left parenthesis 3 x plus 6 right parenthesis left parenthesis x plus 8 right parenthesis end cell greater or equal than 0 end table

                             table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank less or equal than blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 8 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank atau end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank greater or equal than blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 2 end table

Sehingga penyelesaian pertidaksamaan open vertical bar fraction numerator 2 x plus 7 over denominator x minus 1 end fraction close vertical bar greater or equal than 1 adalah table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank less or equal than blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 8 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank atau end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank greater or equal than blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 2 end table atau dapat ditulis dalam bentuk left parenthesis negative infinity comma space minus 8 right square bracket space union left square bracket negative 2 comma space infinity right parenthesis.

Jadi, jawaban yang tepat adalah B

 

273

5.0 (1 rating)

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