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[" 14.A function "f(x)=sqrt(1-2x)+x" is ...

[" 14.A function "f(x)=sqrt(1-2x)+x" is defined from "D_(1)rarr D_(2)" and is onto.If the set "D_(1)" is its comple "],[" then the set "D_(2)" is: "],[[" (A) "(-oo,1/2]," (B) "(-oo,2)," (C) "(-oo,1)," (D) "(-oo,1]]]

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