1. Find the maxima and the minima (ifany) of this function. (6) 2m+4 \"xim 2. Find the maxima and the minima of this function. (6) 3. Consider the following cost and benefit functions. (8) C(x) : x36x2+4m+3 B(x) : 5x a. At what production level is there maximum net benefit? b. At what production level is there maximum gross benefit while still having cost not exceed benefit? c. What are the potential problems with these cost and benefit functions? Why might they be unrealistic? 4. If f and g are continuous on R and have the same asymptotic order, what similarities (if any) do f amd 9 have in their extrema? Use some examples, but give a general answers as well. (4)