Question

If A={xϵN :x≤3} B={xϵZ : 4≤x≤6} and R={(x,y) :xϵA ,yϵB, y=2x} , then find Dom(R) Ս co domain(R).

Answer 1

Answer:

critical point x=c is a local maximum if the function changes from increasing to decreasing at that point. The function f(x)=2x−x2 has a critical point (local maximum) at c=1. The derivative is zero at this point. f(x)=2x−x2.

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