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Mathematics, 10.11.2020 17:00 wsdafvbhjkl

Janis is the set designer for a play. She has 40 feet of dividers to use to create a section in the workshop for storing props. She plans to create the space in the corner of the workshop and use the dividers to create the extra two walls. The area of the sectioned off space, A. is modeled by
this equation, where x is the width of the prop section
A = -12 + 401
Which equation reveals the dimensions that will create the maximum area of the prop section?
A
B.
A = -(x - 40)
A = -(x - 20) (x - 20)
A = -(0 - 20)2 + 400
A = -(3 - 400)?
D

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