【判断题】Suppose are two distinct particular solutions of the non-homogeneous linear equation , then is the general solution, where is an arbitrary constant.
【单选题】Suppose the following functions are solutions of the -th order ordinary differential equation . Then, how many judgments are correct? (i) is a particular solution. (ii) is a particular solution. (iii)...
【单选题】Suppose that a binding price floor is in place in a particular market. If the market is deregulated and the price floor is removed, then which of the following effects could occur?
A.
The quantity demanded would decrease and the quantity supplied would increase.
B.
An excess demand would develop.
C.
There would be a decrease in the quality of the good supplied.
D.
There would be an increase in the quality of the good supplied.