f:R->R,g:R->R given by f(x)=2min{f(x)-g(x),0} equals

Dear Shubham

This type of questions are solved using graphs.

first find f(x)-g(x) and then plot it . on the same graph plot f(x)=0. find the point of intersection of both the graphs and select the portions of graph where value is minimum. this is required graph

All the best.                                                           

AKASH GOYAL

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