设函数f(x)在x=3处可导,且f'(3)=-2,f(3)=2,求lim[2x-3f(x)]/(x-3)的值

问题描述:

设函数f(x)在x=3处可导,且f'(3)=-2,f(3)=2,求lim[2x-3f(x)]/(x-3)的值