Question

Fungsi kuadrat f(x) = x^2-6+5. Carilah nilai minimumnya

Answer 1

Y= x^2 - 6x + 5
y' = 0 --> 2x - 6 = 0
x  = 3
f(3) = (3)² -6(3) + 5
f(3)= -4
nilai min = -4