Sekolah Dasar Quizz...

F ( × ) = 55× + 6× - ײ
F ( 5 ) =...

nt : Pakai cara​

Quizz...

F ( × ) = 55× + 6× - ײ
F ( 5 ) =...

nt : Pakai cara​

⏩ Penyelesaian soal:

Diketahui:

  • f( x ) = 55x + 6x - x²

Ditanya:

  • f( 5 )

Jawab;

f( x ) = 55x + 6x - x²

f( 5 ) = 55.5 + 6.5 - 5²

f( 5 ) = 330 + 30 - 25

f( 5 ) = 360 - 25

f( 5 ) = 335

Mohon dikoreksi :D

f(5) = 55x + 5x - x²

f(5) = 55(5) + 6(5) - 5²

f(5) = 275 + 30 - (5×5)

f(5) = 275 + 30 - 25

f(5) = 245 - 25

f(5) = 220

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