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The function A(w)= -2w^2+ 576 models the area of a pasture enclosed by a rectangular fence,where w is width in metres.

 

A. What is the maximum area that can be enclosed?

 

B. Determine the area that can be enclosed using a width of 20m

 

C. Determine the width of the rectangular pasture that has an area of 18,144m^2

 Jun 7, 2021
 #1
avatar+32758 
+3

A)   'w' cannot be negative , so the largest area will occur when w = 0        526 m^2    (which is kinda comical having a w = 0 )

 

Are you sure you have the equation written correctly ????  Please proofread ....because none of these answers make sense!

 

B)    -2 (202) + 576 = _____________   (nonsensical answer)

C)    18 144   = - 2 w2 + 576       (another nonsensical answer)

 Jun 7, 2021
 #2
avatar+1893 
0

This is quite an interesting fence. 

 

=^._.^=

catmg  Jun 7, 2021

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