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Semua bilangan real x yang memenuhi x 8 ​ − 2 x + 1 15 ​ ≥ 1 adalah ....

Semua bilangan real x yang memenuhi  adalah ....

  1. begin mathsize 14px style negative 2 less or equal than x less or equal than 2 end style      

  2. begin mathsize 14px style x less or equal than negative 2 space atau space 0 less or equal than x less than 1 end style   

  3. begin mathsize 14px style negative 2 less or equal than x less than negative 1 half space atau space 0 less than x less or equal than 2 end style    

  4. begin mathsize 14px style negative 2 less or equal than x less than negative 1 half space atau space x greater or equal than 2 end style    

  5. begin mathsize 14px style x less or equal than negative 2 space atau space x greater or equal than 2 end style    

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R. Diah

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

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Buat garis bilangan Maka HP

 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 8 over straight x minus fraction numerator 15 over denominator 2 straight x plus 1 end fraction end cell greater or equal than cell 1 blank end cell row cell 8 over straight x minus fraction numerator 15 over denominator 2 straight x plus 1 end fraction minus 1 end cell greater or equal than cell 0 blank end cell row cell fraction numerator 8 left parenthesis 2 straight x plus 1 right parenthesis minus 15 straight x minus straight x left parenthesis 2 straight x plus 1 right parenthesis over denominator straight x left parenthesis 2 straight x plus 1 right parenthesis end fraction end cell greater or equal than 0 row cell fraction numerator 16 straight x plus 8 minus 15 straight x minus 2 straight x squared minus straight x over denominator straight x left parenthesis straight x plus 3 right parenthesis end fraction end cell greater or equal than 0 row cell fraction numerator negative 2 straight x squared plus 8 over denominator straight x left parenthesis straight x plus 3 right parenthesis end fraction end cell greater or equal than 0 row cell fraction numerator negative 2 left parenthesis straight x squared minus 4 right parenthesis over denominator straight x left parenthesis straight x plus 3 right parenthesis end fraction end cell greater or equal than 0 row cell fraction numerator negative 2 left parenthesis straight x minus 2 right parenthesis left parenthesis straight x plus 2 right parenthesis over denominator straight x left parenthesis straight x plus 3 right parenthesis end fraction end cell greater or equal than 0 end table end style  

Buat garis bilangan

Maka HP Error converting from MathML to accessible text.    

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Semua nilai x yang memenuhi x 3 ​ − x + 3 3 ​ ≥ 0 adalah ....

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