Let F(x, Y) = $\frac { \ln x y } { y }$

Q25: Maximize the function f(x, y) =

Q26: Minimize the function f(x) = x

Q27: Let f(x, y) = 5

Q28: Design a cylindrical can of volume

Q29: Let f(x, y) = <span

Q31: Let f(x, y,) = xy + 5.

Q32: Find the greatest possible volume of a

Q33: Are these the level curves of

Q34: Find all points (x, y) where

Q35: Calculate the iterated integral <span