Jawabanmu

2014-05-31T10:19:52+07:00
f(x)= x^3-12x+1
f '(x) = 3x^2 - 12 = 0
x = 2 atau -2
x = 2 maka f(x) = 8 - 24 + 1 = -15
x = -2 maka f(x) = -8 + 24 + 1 = 17
jawaban: A