Tentukan nilai x agar f(x) = -2 x 2 + 12x – 5 turun

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Tentukan nilai x agar f(x) = -2 x 2 + 12x – 5 turun

Penyelesaian:

f (x) = – 2x^2 + 12x – 5

f'(x) = – 4x + 12

f'(x) < 0

– 4x + 12 < 0

– 4x < – 12

x > 3

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Detil Jawaban

Kelas: 11

Mapel: Matematika

Bab: Turunan Fungsi Aljabar

Kode: 11.2.9

Kata Kunci: Turunan pertama, fungsi turun