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(文)如图,函数y=f(x)的图象在点P处的切线方程是y=-x+8,则f(5)+...
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(文)如图,函数y=f(x)的图象在点P处的切线方程是y=-x+8,则f(5)+f′(5)=
.
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B.[0,
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,
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]
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