Jawab:
a. x = -3
y = 26
b. nilai optimum = 26
Penjelasan dengan langkah-langkah:
f(x) = 6x^2 + 36x + 80
nilai a= 6 b= 36 c= 80
x puncak = -b/2a
= -36/2.6
= - 36/12 = - 3
y puncak = f(-3) = 6 (-3)^2 + 36.(-3) + 80
= 6. 9 -108 + 80
= 54-108+80 = 26
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Jawab:
a. x = -3
y = 26
b. nilai optimum = 26
Penjelasan dengan langkah-langkah:
f(x) = 6x^2 + 36x + 80
nilai a= 6 b= 36 c= 80
x puncak = -b/2a
= -36/2.6
= - 36/12 = - 3
y puncak = f(-3) = 6 (-3)^2 + 36.(-3) + 80
= 6. 9 -108 + 80
= 54-108+80 = 26