 Domain – all of the x-coordinates of a graph  Range – all of the y-coordinates of a graph  Notation ◦ Interval notation ◦ Set Notation  Proper use of brackets & parentheses

 A function is even if f(-x) = f(x) ◦ Ex: f(x) = x 2 ◦ Also look at graph ◦ Symmetric about y-axis  A function is odd if f(-x) = -f(x) ◦ Ex: f(x) = x 3 ◦ Symmetric about origin

 Two functions with restricted domains that create a new graph. ◦ Ex:

 Doing multiple operations with multiple functions. ◦ Ex.: If g(x) = x2 and f(x) = x – 7, then what is f(g(2))?