作业帮已知f(x)={x³(x>0) ,2(x=0) ,0 (xf(-2)=?f[f(-6)]=?
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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