izzzzzz9713 izzzzzz9713

15-01-2019
Mathematics

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Patricia wishes to have a rectangular-shaped garden in her backyard. she has 82 ft of fencing material with which to enclose her garden. letting x denote the width of the garden, find a function f in the variable x giving the area of the garden. what is its domain?

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stephensheng09 stephensheng09

15-01-2019

Answer:

width=x

perimeter=80

or 2(x+l)=80

so l=length=40-x

so the area=x(40-x)

the area can never be 0

x(40-x)>0

this gives the domain as 0

Step-by-step explanation:

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