What is the intended purpose of a 401k account?

Problem page a medical equipment industry manufactures x-ray machines. the unit cost c (the cost in dollars to make each x-ray machine) depends on the number of machines made. if x machines are made, then the unit cost is given by the function =cx+−0.3x2126x31,935 . how many machines must be made to minimize the unit cost?

Search engines generate revenue through pay-per-click (each time a user clicks a link to a retailer’s website); pay-per-call (each time a user clicks a link that takes the user to an online agent waiting for a call); or pay-per-conversion (each time a website visitor is converted to a customer)

Upper a fish farm raises salmon and trout.a fish farm raises salmon and trout. the marginal cost of producing each of these products increases as more is produced. draw the firm's ppf. label it ppf1. the fish farmfish farm adopts a new technology that allows it to use fewer resources to feed the salmonfeed the salmon. draw a ppf that shows the impact of the new technology. label it ppf2.