Fungsi naik kalo f'(x) >0
F(x) = 2x³ - 7x² + 8
F'(x) = 6x²-14x
F(x) > 0
Pembuay nol :
6x² - 14x = 0
3x²-7x = 0
x(3x-7) = 0
x = 0
Atau :
3x - 7 = 0
3x = 7
x = 7/3
Krena > 0, jadi :
Hp = x < 0 atau x > 7/3
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Fungsi naik kalo f'(x) >0
F(x) = 2x³ - 7x² + 8
F'(x) = 6x²-14x
F(x) > 0
Pembuay nol :
6x² - 14x = 0
3x²-7x = 0
x(3x-7) = 0
x = 0
Atau :
3x - 7 = 0
3x = 7
x = 7/3
Krena > 0, jadi :
Hp = x < 0 atau x > 7/3