MATH 1329 Communicating Mathematics 10 Name: Section Number: 1. Find all critical points of the function below, and classify each as a relative mini- mum, a relative maximum, or a saddle point. f(x, y) = 3x3 + xy' + 4ry + 3x [Hint: Solve the simpler equation first, and use that to simplify the other equation.] 11. [-/1 Points] DETAILS TANAPCALCBR10 7.1.044. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Average Price of a Commodity The price of a certain commodity in dollars per unit at time t (measured in weeks) is given by p = 7 + 5e-2 + te-2t. What is the average price (in dollars) of the commodity over the 4-week period from t = 0 to t = 4? (Round your answer to two decimal places.) $