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The following table shows the length and width of a rectangle: Length Width Rectangle A 3x + 2 2x − 1 Which expression is the result of the perimeter of rectangle A and demonstrates the closure property? 2x + 2; the answer is a polynomial 2x + 2; the answer may or may not be a polynomial 10x + 2; the answer is a polynomial 10x + 2; the answer may or may not be a polynomial

Respuesta :

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Answer:

the answer is a polynomial 10x + 2

Step-by-step explanation:

Length = 3x + 2

Width = 2x - 1

Perimeter = 2l + 2w

P = 2(3x+2) + 2(2x-1)

P = 6x+4+4x-2

P= 10x+2

A polynomial is an expression consisting of variables. They can have one or more terms.

Answer:

10x + 2; the answer is a polynomial

Step-by-step explanation:

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