SAT I 每日一问:2013年1月29日
作者:沪江英语
来源:CollegeBoard
2013-01-29 09:31
Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
If the function is defined by , where , for which of the following values of is undefined?
(A) None
(B) I only
(C) III only
(D) I and II only
(E) I, II, and III