Task 7: A storage container is in the shape of an open square based pyramid. The length of the side of the
base is 3m and the vertical height of the pyramid is 2m. The container is to be coated inside and
outside.
Your task is sketch the pyramid with relevant measurements and then to find the total surface
area to be coated.
What is the Total Surface area?

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.