8. 삼차함수 f(x)f(x)f(x)가 limx→0f(x)x=limx→1f(x)x−1=1\displaystyle\lim_{x\to0}\frac{f(x)}x=\displaystyle\lim_{x\to1}\frac{f(x)}{x-1}=1x→0limxf(x)=x→1limx−1f(x)=1을 만족시킬 때, f(2)f(2)f(2)의 값은? [3점]