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对a,b属于R,记max{a,b}={a,a≥b b,a<b,已知函数f(x)=max{x^2-16,-...对a,b属于R,记max{a,b}={a,a≥b b,a<b,已知函数f(x)=max{x^2-16,-x^2+4x}(x属于R).(1)写出函数f(x)的解析式; (2)若满足方程f(
对a,b属于R,记max{a,b}={a,a≥b b,a<b,已知函数f(x)=max{x^2-16,-...
对a,b属于R,记max{a,b}={a,a≥b b,a<b,已知函数f(x)=max{x^2-16,-x^2+4x}(x属于R).(1)写出函数f(x)的解析式; (2)若满足方程f(x)=k的x的解有两个,求的取值范围.
对a,b属于R,记max{a,b}={a,a≥b b,a<b,已知函数f(x)=max{x^2-16,-...对a,b属于R,记max{a,b}={a,a≥b b,a<b,已知函数f(x)=max{x^2-16,-x^2+4x}(x属于R).(1)写出函数f(x)的解析式; (2)若满足方程f(
(1)令x^2-16>-x^2+4x,2x^2-4x-16>0,得x4
f(x)={ x^2-16,当x=4时; -x^2+4x,当-2
对a,b属于R,记max{a,b}= a,a≥b b,a
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对a,b属于R,记max{a,b}={a,a≥b b,a<b,已知函数f(x)=max{x^2-16,-...对a,b属于R,记max{a,b}={a,a≥b b,a<b,已知函数f(x)=max{x^2-16,-x^2+4x}(x属于R).(1)写出函数f(x)的解析式; (2)若满足方程f(
对a、b∈R,记max{a、b}={a a≥b; b a
对a,b∈R,记max{a,b}= {a,a≥b b,a
对a,b∈R,记max{a,b}={(a,a≥b),(b,a