Q7 C – 8pts An appliance manufacturer has determined that the cost, in dollars, of producing x espresso makers is given by . If the revenue from the sale of x espresso makers is given by  find the rate at which the average profit per espresso maker is changing when 64 espresso makers have been made and sold. Round to the nearest cent.

  Q 9 C – 6pts Differentiate.

Q 13 B – 8pts Solve the problem. A men’s suit manufacturer finds that the cost, in dollars, of producing x suits is given by  Find the rate at which the average cost is changing when 200 suits have been produced. Round the answer to four decimal places.

 Q 8 B – 6pts Find an equation for the line tangent to the graph of the given function at the indicated point. 

  Q4 C – 4pts Use the properties of limits to help decide whether the limit exists. If the limit exists, find its value.

 Q6 A – 6pts Find a simplified difference quotient for the function. and evaluate the derivative at a given x-value.      

Q2b – 6pts Evaluate or determine that the limit does not exist for each of the limits

Q 15 A – 5pts Solve the problem. If s is a distance given by

  Q 11 B- 7pts Differentiate.

 Q5 A – 6pts Provide an appropriate response.Is the function given by