Understand the terms: function, domain, range (image set), one-one function, inverse function and composition of functions.
Use the notation f ^(–1)(x).
Use the notation f^2(x) [= f(f(x))].
Explain in words why a given function is a function or why it does not have an inverse.
Find the inverse of a one-one function.
Form composite functions.
Sketch graphs to show the relationship between a function and its inverse.
