Jawabanmu

2014-06-06T19:29:50+07:00
Diketahui fungsi f(x) = x3 - 12x + 2
f'(x)=3x
²-12=3(x²-4)=3(x-2)(x+2)
pembuat nol: x=2 v x=-2
garis bil

___+++_________--------__________+++++__
                  -2                       2
naik/maks -> f(-2)= (-2)³-12*(-2)+2 =18
turun/min ->f(2)=2³-12*2+2=-14