作业帮已知f(x)={x³(x>0) ,2(x=0) ,0 (xf(-2)=?f[f(-6)]=?
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/04 17:12:18
![已知f(x)={x³(x>0) ,2(x=0) ,0 (xf(-2)=?f[f(-6)]=?](/uploads/image/z/13305693-21-3.jpg?t=%E5%B7%B2%E7%9F%A5f%28x%29%3D%7Bx%26%23179%3B%28x%3E0%29+%2C2%28x%3D0%29+%2C0+%28xf%28-2%29%3D%3Ff%5Bf%28-6%29%5D%3D%3F)
已知f(x)={x³(x>0) ,2(x=0) ,0 (xf(-2)=?f[f(-6)]=?
已知f(x)={x³(x>0) ,2(x=0) ,0 (x
f(-2)=?f[f(-6)]=?
已知f(x)={x³(x>0) ,2(x=0) ,0 (xf(-2)=?f[f(-6)]=?
2>0
f(x)=x³
所以f(2)=2³=8