I teach College Algebra, PreCalculus, Business Calculus, Calc I and II and III, Linear Algebra and Graph Theory.
Find the relative maxima or minima in Exercises $1-10$Maximum of $f(x, y)=3 x y$ , subject to $x+2 y=32$
Find the relative maxima or minima in Exercises $1-10$Maximum of $f(x, y)=x y^{2},$ subject to $x+2 y=15$
Find the relative maxima or minima in Exercises $1-10$Minimum of $f(x, y)=4 x^{2}+y^{2}-4 x y,$ subject to $x+y=9$
Find the relative maxima or minima in Exercises $1-10$Maximum of $f(x, y)=x^{2}-5 y^{2},$ subject to $x-y=12$
Find the relative maxima or minima in Exercises $1-10$Maximum of $f(x, y, z)=x y z^{2},$ subject to $x+y+z=6$
Find positive numbers $x$ and $y$ such that $x+y=87$ and 9$x y^{2}$ is maximized.
