5道SAT數(shù)學練習題及答案.

　　下面為大家整理的是5道SAT數(shù)學練習題的內容，后面附有詳細的答案解析。SAT數(shù)學題擁有自己的邏輯關系和解題方法，這些都是大家在備考的時候，需要格外注意的部分。下面我們一起來看看這些數(shù)學題的詳細內容吧。

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　　1.The graph of is shown above. If , and if is on the graph of , which of the following must be true?

　　Answer Choices

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　2.If , what is the value of ?

　　Answer Choices

　　(A)

　　(B)

　　(C)

　　(D)

　　(E) It cannot be determined from the information given.

　　3.If , which of the following must be equivalent to ?

　　Answer Choices

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　4.If , which of the following statements must also be true?

　　.

　　.

　　.

　　Answer Choices

　　(A) None

　　(B) only

　　(C) only

　　(D) only

　　(E) and

　　5.If the function is dined by , where , for which of the following values of is undined?

　　Answer Choices

　　(A) None

　　(B) only

　　(C) only

　　(D) and only

　　(E) , , and

　　Explanation

　　1.The correct answer is D

　　The second coordinate of a point on the graph corresponds to . From the graph, you can see that for , the smallest value of is and the greatest value is , so .

　　2.The correct answer is A

　　Since , it follows that , and so . Therore, .

　　3.The correct answer is E

　　If , then , so .

　　4.The correct answer is E

　　The quantity can be expressed as . If , then and . Since , either or or both. Therore, statement must be true, but statement , , is not always true. For statement , you can write , and since , it follows that . Therore, both statements and must be true.

　　5.The correct answer is C

　　If , then . If , then . If , then , which is not dined because division by is undined. Therore, of the three values, , , and , the only one for which is undined is . Thus the correct response is

only.

　　以上就是這5道SAT數(shù)學練習題及答案的詳細內容，包括了一些常見的知識點。大家可以在備考的時候，對此加以適當?shù)木毩暫蛻茫瑴y試自己在數(shù)學方面知識點的掌握情況。

澳際傾情回饋客戶，零利潤SAT香港考團，詳細信息

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