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Fungsi  naik dalam interval ....

Pertanyaan

Fungsi begin mathsize 14px style f left parenthesis x right parenthesis equals 2 x cubed plus 3 x squared minus 36 x plus 5 end style naik dalam interval ....

  1. size 14px minus size 14px 3 size 14px less than size 14px x size 14px less than size 14px 2 

  2. size 14px minus size 14px 2 size 14px less than size 14px x size 14px less than size 14px 3 

  3. size 14px 2 size 14px less than size 14px x size 14px less than size 14px 3 

  4. size 14px x size 14px less than size 14px minus size 14px 2 size 14px space size 14px atau size 14px space size 14px x size 14px greater than size 14px 3 

  5. size 14px x size 14px less than size 14px minus size 14px 3 size 14px space size 14px atau size 14px space size 14px x size 14px greater than size 14px 2 

Pembahasan Video:

Pembahasan Soal:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell f open parentheses x close parentheses end cell equals cell 2 x cubed plus 3 x squared minus 36 x plus 5 end cell row cell f apostrophe open parentheses x close parentheses end cell equals cell 6 x squared plus 6 x minus 36 end cell row blank equals cell x squared plus x minus 6 end cell row blank blank blank row blank blank blank end table end style

begin mathsize 14px style text Fungsi naik ketika end text space f apostrophe open parentheses x close parentheses greater than 0 x squared plus x minus 6 greater than 0 open parentheses x plus 3 close parentheses open parentheses x minus 2 close parentheses greater than 0 text Solusinya end text space x greater than 2 space text atau end text space x less than negative 3 end style

Jadi, jawaban yang tepat adalah E.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 12 April 2021

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