在线等f(x)=1g(x)=x^0bf(x)=x-1g(x)=x^2/x-1include

Question

在线等f(x)=1 g(x)=x^0 b f(x)=x-1 g(x)=x^2/x-1include

Answer 1

A(5,2)和B(-3,0)对比y'=2x-4>0 (3≤x≤5)对比y=（m 6）x^2 2(m-1)x m 1x=1 rcosA,y=-1 rsinA,r>0,A