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Pertanyaan

Dengan menggunakan definisi konsep nilai mutlak maka ubahlah bentuk nilai mutlak berikut ∣ 5 x − 15 ∣ .

Dengan menggunakan definisi konsep nilai mutlak maka ubahlah bentuk nilai mutlak berikut .

  1. open curly brackets table row cell 5 x minus 15 comma blank text jika  end text x greater or equal than 3 end cell row cell negative 5 x plus 15 comma text  jika end text blank x less than 3 end cell end table close

  2. open curly brackets table row cell 5 x minus 15 comma blank text jika end text blank x greater than 3 end cell row cell negative 5 x plus 15 comma blank text jika end text blank x less or equal than 3 end cell end table close

  3. open curly brackets table row cell 5 x minus 15 comma blank text jika end text blank x greater or equal than negative 3 end cell row cell negative 5 x plus 15 comma blank text jika end text blank x less than negative 3 end cell end table close

  4. open curly brackets table row cell 5 x minus 15 comma blank text jika end text blank x greater than negative 3 end cell row cell negative 5 x plus 15 comma blank text jika end text blank x less or equal than negative 3 end cell end table close

  5. open curly brackets table row cell 5 x plus 15 comma blank text jika end text blank x greater or equal than 3 end cell row cell negative 5 x minus 15 comma blank text jika end text blank x less than 3 end cell end table close

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A. Acfreelance

Master Teacher

Mahasiswa/Alumni Universitas Sriwijaya

Jawaban terverifikasi

Jawaban

jawaban yang benar adalah A.

jawaban yang benar adalah A.

Pembahasan

Perlu diingat bahwa Sehingga dapat ditulis Oleh karena itu, jawaban yang benar adalah A.

Perlu diingat bahwa

open vertical bar f left parenthesis x right parenthesis close vertical bar equals open curly brackets table row cell f left parenthesis x right parenthesis comma blank text jika end text blank f left parenthesis x right parenthesis greater or equal than 0 end cell row cell negative f left parenthesis x right parenthesis comma text  jika end text blank f left parenthesis x right parenthesis less than 0 end cell end table close

Sehingga open vertical bar 5 x minus 15 close vertical bar dapat ditulis

open vertical bar 5 x minus 15 close vertical bar space equals space open curly brackets table attributes columnalign left end attributes row cell 5 x minus 15 comma space text jika end text space 5 x minus 15 greater or equal than 0 end cell row cell negative left parenthesis 5 x minus 15 right parenthesis comma space text jika end text space 5 x minus 15 less than 0 end cell end table close space space space space space space space space space space space space space space space space equals space open curly brackets table attributes columnalign left end attributes row cell 5 x minus 15 comma space text jika end text space 5 x greater or equal than 15 end cell row cell negative 5 x plus 15 comma space text jika end text space 5 x less than 15 end cell end table close space space space space space space space space space space space space space space space space equals space open curly brackets table attributes columnalign left end attributes row cell 5 x minus 15 comma space text jika end text space x greater or equal than 15 over 5 end cell row cell negative 5 x plus 15 comma space text jika end text space x less than 15 over 5 end cell end table close space space space space space space space space space space space space space space space space equals space open curly brackets table attributes columnalign left end attributes row cell 5 x minus 15 comma space text jika end text space x greater or equal than 3 end cell row cell negative 5 x plus 15 comma space text jika end text space x less than 3 end cell end table close

Oleh karena itu, jawaban yang benar adalah A.

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