Questions asked by Gemma S.

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• What is the derivative of #y = (x^2+4x+3)/sqrtx#?
  
• What is the derivative of #y = x^2 ln(2x)#?
  
• Find y' and y''? #y = x^2ln(2x)#
  
• A piece of wire 60 cm in length is cut into two pieces. The first piece forms a rectangle 5 times as wide as it is long. The second piece forms a square. Where should the wire be cut to? 1)minimize the total area 2)maximize the total area