【題目】 Under which of the following conditions would the interdiction of illegal drugs result in a decrease in the quantity of drugs sold and in a decrease in total spending on illegal drugs by drug users? The price elasticity of demand for illegal drugs is 1.3.   ...
【題目】 A simple linear demand function may be stated as Q= a-bP+cI where Q is quantity demanded , P is the product price, and I is consumer income. To compute an appropriate value for c, we can use observed values for Q and I and then set the estimated income elasticity of demand equal t ...
【題目】Let A = J e1(1nx)2 dx , then 答案: 0 A 1 【題目】Let a=∫1 0 x5(1-x3)1/3 dx,then 答:0A1 【題目】Let A be the area between the curves y = sin x and y = sin 2x from x = 0 to x = π 。then 答案: 2 A 3 【題目】For implicit function 2xy+ex+y -2=0 dy/dx (0,ln2)=? ...