山西省大同市有哪些县:math problem

来源:百度文库 编辑:神马品牌网 时间:2024/05/04 19:04:05
若f[g(x)]=x成立,则g[f(x)]不可能是???
a.x2+x-1/5 b.x2+x+1/5 c.x2-1/5 d.x2+1/5

1.They want to talk about the math problem.
2.I will leave as soon as my mother comes back.