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Fungsi f didefinisikan sebagai f ( x ) = x 3 + 15 x 2 + 72 x + 8 . Tentukan jenis nilai stasioner!

Fungsi f didefinisikan sebagai . Tentukan jenis nilai stasioner!

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Y. Herlanda

Master Teacher

Mahasiswa/Alumni STKIP PGRI Jombang

Jawaban terverifikasi

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Pembahasan

table attributes columnalign right center left columnspacing 0px end attributes row cell f open parentheses x close parentheses end cell equals cell x cubed plus 15 x squared plus 72 x plus 8 end cell row cell f apostrophe open parentheses x close parentheses end cell equals cell 3 x squared plus 30 x plus 72 end cell row blank equals cell x squared plus 10 x plus 24 end cell row cell f apostrophe open parentheses x close parentheses end cell equals 0 row cell x squared plus 10 x plus 24 end cell equals 0 row cell open parentheses x plus 4 close parentheses open parentheses x plus 6 close parentheses end cell equals 0 row x equals cell negative 4 logical or x equals negative 6 end cell row cell f open parentheses x close parentheses end cell equals cell x cubed plus 15 x squared plus 72 x plus 8 end cell row cell f open parentheses negative 4 close parentheses end cell equals cell open parentheses negative 4 close parentheses cubed plus 15 open parentheses negative 4 close parentheses squared plus 72 open parentheses negative 4 close parentheses plus 8 end cell row blank equals cell negative 64 plus 15 open parentheses 16 close parentheses minus 288 plus 8 end cell row blank equals cell negative 104 space left parenthesis Nilai space balik space minimum right parenthesis end cell row cell f open parentheses negative 6 close parentheses end cell equals cell open parentheses negative 6 close parentheses cubed plus 15 open parentheses negative 6 close parentheses squared plus 72 open parentheses negative 6 close parentheses plus 8 end cell row blank equals cell negative 216 plus 15 open parentheses 36 close parentheses minus 432 plus 8 end cell row blank equals cell negative 100 space left parenthesis Nilai space balik space maksimum right parenthesis end cell row blank blank blank end table

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