Math 241 Final - Graphs Midterm 1

1/(1 + x² + y²)

cos(√(x² + y²))

x²- y²

(x+y)²

x+cos(y)

sin(x) sin(y)

− (x + y) ² e ^−(x+y)²

−y² + sin(x)

root (x² + y²)

-y²sin(x)

xy

cos(x)cos(y)

1/(1 + (x + y)²)

x² + y² − z² +1 = 0

4x² + y² + 4z² - 1 = 0

x² − y²− z²= 1

y² + z² − x² = 1

−x² − y²

e^xcosy

1/(1 + (x + y)²)

e −(x^2+y^2 )