Nilai ekstrim dari f(x) =-3x²+8x-10

f(x) =-3x²+8x-10

f'(x)= -6x +8=0
-6x=-8
x= 4/3

Nilai ekstrim
= -3(4/3)²+8(4/3)-10
=-16/3 + 32/3 -10
= 16/3 - 30/3
= -14/3