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Suppose the function f(x,y,z)=xyz is defined for x+y+z=7,x, y, z=>0 . What is the range of f?

 Nov 6, 2019
 #1
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The function can take on positive real value, so the range is (0,infinity).

 Nov 6, 2019
 #2
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Thanks, guest....one slight correction....

 

Since  x, y , z   ≥  0

 

Then the range  is actually  [ 0, infinity  )

 

 

cool cool cool

CPhill  Nov 6, 2019

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