Students stuff envelopes for extra money. their initial cost to obtain the information for the job was $630. each envelope costs $0.02 and they get paid $0.09 per envelope stuffed. let x represent the number of envelopes stuffed. (a) express the cost c as a function of x. (b) express the revenue r as a function of x. (c) determine analytically the value of x for which revenue equals cost.

answerall of the above;

answer casual models;

the answer is "b.the increased supply will create a surplus. "

the essential thought behind price controls is straightforward - utilize the power of law to modify the equilibrium of a market. for instance, the legislature may choose that the steel business needs to survive, and in this way pass a law to set a value floor on steel. this implies all steel sold must offer at or over the floor value, which must be set over the equilibrium cost for it to have any impact. the switch could likewise happen - the administration can choose that steel is excessively costly and set a value roof underneath its equilibrium value, with the goal that all steel must be sold at or beneath that ceiling.