SAT考试9月每日精选题7

>>SAT考试练习：SAT考试9月每日精选题7

>>SAT考试辅导：精品课程高端指导

Mathematics>Standard Multiple Choice

Read the following sat test question and thenclick on a button to select your answer.

Davi will use 44 linear feet of wood to make a framefor a rectangular sandbox. The area, A, of thesandbox is given by the equation below where w is the width of the sandbox.

A(w)=22w-w²

What is the largest possible area, in square feet, that Davi can create with this piece of wood?

A.11

B.22

C.110

D.121

小编温馨提示：各sat考生在看过上述sat数学考试题目之后，自己分析解答，再看相应的sat数学答案解析，会更有效哦!

答案：D

解析：

Choice D is correct.

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