How is an LP problem changed into an ILP problem?

a. by adding constraints that the decision variables be non-negative.
b. by adding integrality conditions.
c. by adding discontinuity constraints.
d. by making the RHS values integer.

Suppose the money market is in the liquidity trap and the fed increases the supply of money. individuals would rather hold than because they expect that bond prices can go no

Upper a report about the decline of western investment in third world countries included this: "after years of daily flights comma several european airlines halted passenger service. foreign investment fell 400 percent during the 1990 s." what is wrong with this statement? choose the correct answer below. a. if foreign investment fell by 100 % comma it would be totally eliminated comma so it is not possible for it to fall by more than 100 %. b. the actual amount of the decrease in foreign investment is less than 100%. c. if foreign investment fell by 100%, it would be cut in half. thus, a decrease of 200% means that it would be totally eliminated, and a decrease of more than 200% is impossible. d. the statement does not mention the initial amount of foreign investment.

Anational survey asked people, "how often do you eat out for dinner, instead of at home? " the frequencies were as follows.