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Mathematics>Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

 

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

 

A(w)=22w-w?

 

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

The correct answer is D
Explanation

Choice D is correct.


解析:

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