The length of a rectangle om terms of x is 3x^2+7x+9 and its width is 3x+6. a. Write a polynomial that represents the perimiter of the rectangle. b. What is the perimeter when x=5 feet?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter8: Polynomials
Section8.1: Adding And Subtracting Polynomials
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The length of a rectangle om terms of x is 3x^2+7x+9 and its width is 3x+6.

a. Write a polynomial that represents the perimiter of the rectangle.

b. What is the perimeter when x=5 feet?

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