Answers created by Carl H.

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• Build a rectangular pen with three parallel partitions (meaning 4 total sections) using 500 feet of fencing. What dimensions will maximize the total area of the pen?
  
• On what interval is f concave upward? f(x)=xln(x)
  
• How do you differentiate the equation? #F(y)= (1/y^2 + 3/y^4) (y+5y^3)#
  
• Question #7f4b5
  
• How do you solve #20-9x+x^2=0#?
  
• What is metabolism?