摘要:8.C.解析:f(x)+5≤f(x+5)≤f(x+4)+1<--<f(x+1)+4≤f(x)+5.所以f(x)+5≤f(x+1)+4≤f(x)+5.即f(x)+1≤f(x+1)≤f(x)+1.即f(x+1)=f(x)+1.所以g=f+1-2009=f(1)+2008+1-2009=1.选C.

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