作业帮f(x)=|x-1|-2则f[f(1/2)]是多少
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/04 15:40:17
![f(x)=|x-1|-2则f[f(1/2)]是多少](/uploads/image/z/15151691-11-1.jpg?t=f%28x%29%3D%7Cx-1%7C-2%E5%88%99f%5Bf%281%2F2%29%5D%E6%98%AF%E5%A4%9A%E5%B0%91)
f(x)=|x-1|-2则f[f(1/2)]是多少
f(x)=|x-1|-2则f[f(1/2)]是多少
f(x)=|x-1|-2则f[f(1/2)]是多少
f(1/2)=|x-1|-2=-3/2
f[f(1/2)]=f(-3/2)=|x-1|-2=1/2
f(1/2)=|1/2-1|-2=-3/2
f[f(1/2)]=|-3/2-1|-2=1/2
f(x)=|x-1|-2
f(1/2)=1/2 - 2=-3/2
f[f(1/2)]=f(-3/2)=5/2-2=1/2