A manufacturing plant has fixed monthly costs of \15,000andvariableproductioncostsofand variable production costs ofandvariableproductioncostsof$25perunit.Ifeachunitissoldforper unit. If each unit is sold forperunit.Ifeachunitissoldfor$45,whatistheprofitfunction, what is the profit function ,whatistheprofitfunctionP(x)forproducingandsellingfor producing and sellingforproducingandsellingxunits,andhowmanyunitsmustbesoldtomakeaprofitofunits, and how many units must be sold to make a profit ofunits,andhowmanyunitsmustbesoldtomakeaprofitof$5,000$?
P(x)=20x−15000P(x) = 20x - 15000P(x)=20x−15000, sell 1,0001,0001,000 units
P(x)=20x−15000P(x) = 20x - 15000P(x)=20x−15000, sell 750750750 units
P(x)=45x−15000P(x) = 45x - 15000P(x)=45x−15000, sell 500500500 units
P(x)=25x−15000P(x) = 25x - 15000P(x)=25x−15000, sell 800800800 units