After t hours of operation, an assembly line has assembled A(t)=19t-1/2t^2 power lawn mowers, 0 = < t = < 10 . Suppose that the factory's cost of manufacturing x units is C(x) dollars, where C(x) dollars=2657+70x. a. Express the factory's cost as a composite function of the number of hours of operation of the assembly line.
b. The cost of the first 2 hours of operation is $___.

Atoy manufacturer makes its own wind-up motors, which are then put into its toys. while the toy manufacturing process is continuous, the motors are intermittent flow. data on the manufacture of the motors appears below.annual demand (d) = 50,000 units daily subassembly production rate = 1,000setup cost (s) = $85 per batch daily subassembly usage rate = 200carrying cost = $.20 per unit per year(a) to minimize cost, how large should each batch of subassemblies be? (b) approximately how many days are required to produce a batch? (c) how long is a complete cycle? (d) what is the average inventory for this problem? (e) what is the total annual inventory cost (holding plus setup) of the optimal behavior in this problem?

15. chef a insists that roux is the traditional thickener for bisque. chef b insists that it's rice. which chef is correct? a. neither chef is correct. b. both chefs are correct. c. chef b is correct. d. chef a is correct.

In command economy, who makes production decisions? a. workers b. producers c. consumers d. the government