Questions asked by Thisa

• Back to user's profile
• Suppose a rectangular box with an open top must have a volume of 200 cubic meters and a base width equal to twice base length. Find dimensions of box to minimize material cost?
  
• Suppose a snowboard manufacturer will sell q snowboards per week when charging p dollars per snowboard where q= (600−p)^3. Find the price the company should charge to maximize revenue? (Recall:R=pq, revenue equals quantity times price.)
  
• How to solve this integral? I solved it and got -ln(2)+ln(5/4).
  
• A particle is moving along a straight line and the acceleration is given by a(t)=3t+5, (units m/s2). a)Find v(t) , the velocity at time t if the initial velocity is v(0) = -4 ft/s? b)Find the total distance traveled during the time interval [0, 2]?
  
• How would you find this integral using u substitution?
  
• Show that -3e^2t+7te^2t is a particular solution to the initial value problem y’’ -4y’ +4y=0. y(0)=-3,y’(0)=1?