下面是2013年2月3日的SAT官方每日一题的内容,是关于数学方面的,题型是选择。SAT官方每日一题是collegeboard每天都会发布的题目,关于SAT考试的三个部分的各个题型。下面我们就一起来看一下这个SAT官方每日一题吧。
SAT官方每日一题之数学---选择:
Mathematics > Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.

The function, defined for
, is graphed above. For how many different values of
is
?
(A) None
(B) One
(C) Two
(D) Three
(E) Four
The correct answer is E
Explanation
when the point
is on the graph of
. Drawing the line
, as in the graph below, shows that the
is equal to
for four values of
between
and
.

下面是一道和SAT官方每日一题相似的题目,供大家练习:
If the function is defined by
, where
, for which of the following values of
is
undefined?
Answer Choices
(A) None
(B) only
(C) only
(D) and
only
(E) ,
, and
The correct answer is C
Explanation
If , then
. If
, then
. If
, then
, which is not defined because division by
is undefined. Therefore, of the three values,
,
, and
, the only one for which
is undefined is
. Thus the correct response is
only.
以上就是关于2013年2月3日SAT官方每日一题中数学部分的详细内容,包括了题目和选项以及答案,后面附有一道相关的练习题。大家可以在备考SAT的过程中关注SAT每日一题的内容,这样就可以更好有不间断的练习,也就能在日积月累的过程中得到提高。