問題詳情

2. A function f on R is odd if f(-x)"=-f(x) for all x

R while it is even if f(-x) = f(x) for all x 

 R.Suppose that g and h are two functions on R. (a) If g is an even function, then the composite function h o g must be even.
(b) If g is an odd function and

, then the limit

must be -3.(c) If g is an even function and 

, then the limit

must be 3.

Among the above three statements, how many of them are true?
(A)Only one.
(B) Only two.
(C)All of them.
(D) None of them.

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增