Pertanyaan

Selesaikanlah. c. x + 1 ​ < 2 x + 3 ​

Selesaikanlah.

c.

  1. ... space 

  2. ... space 

A. Septianingsih

Master Teacher

Mahasiswa/Alumni Universitas Gadjah Mada

Jawaban terverifikasi

Pembahasan

Daerah penyelesaian gabungan :

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell square root of x plus 1 end root end cell less than cell square root of 2 x plus 3 end root space space kuadratkan space kedua space ruas end cell row cell x plus 1 end cell less than cell 2 x plus 3 end cell row cell negative 2 end cell less than x row blank blank blank row blank blank cell Syarat space lain space kedua space akar space colon end cell row cell square root of x plus 1 end root end cell greater or equal than 0 row cell x plus 1 end cell greater or equal than 0 row x greater or equal than cell negative 1 end cell row blank blank blank row cell square root of 2 x plus 3 end root end cell greater or equal than 0 row cell 2 x plus 3 end cell greater or equal than 0 row cell 2 x end cell greater or equal than cell negative 3 end cell row x greater or equal than cell negative 3 over 2 end cell row blank blank blank row blank blank blank row blank blank blank end table end style 

 

Daerah penyelesaian gabungan :

 

begin mathsize 14px style x greater or equal than negative 1 end style 

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