AppMaths B242 Better - 9.4

Describe Surfaces and Level Curves:

• State what is meant by a:

  • surface

  • level curve

Draw the level curves of f(x,y) = y² - x²

Describe level surfaces:

• what they are

Solve

Describe the partial derivatives of a function with multiple variables:

Solve:

Describe the chain rule with regards to multiple-variable functions