nilai minimum fungsi f(x) = x² - 5x - 4 adalah

F(x) = x² - 5x - 4
a = 1
b = -5
c = -4
titik minimum : x = -b / 2a = -5 / 2.1 = -5
nilai minimumnya :
f(-5) = (-5)² - 5 (-5) - 4
= 25 + 25 - 4
= 46

maaf kalo salah