1. The monthly revenue R earned by selling x lamps is R(x)= 120x-0.46x The monthly cost of producing x lamps is C(x) 30.25r t 1000. a) How marny lamps must be sold to maximize revenue? What is the maximum revenue? (b) The profit P earned by selling x lamps is given by P(x) R(x)-C(x) How many lamnps must be sold to maximize profit? What is the maximum profit?

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