A black box Student activity Play

A linear function in the argument Student activity Play

A linear function in the argument Whiteboard exercise Play

Absolute value of the argument of a function Animation Play

Composition of functions Class activity Play

Composition of functions Whiteboard presentation Play

Defining a function by a table Animation Play

Defining a function by a table Student activity Play

Defining a function by a table – activity Whiteboard exercise Play

Graphs of functions with absolute values of the argument Student activity Play

Graphs of functions with absolute values of the argument Whiteboard exercise Play

Sequences Student activity Play

The functions  y = x 2  and  y = –x 2 Student activity Play

The magic box Whiteboard exercise Play

The mysterious box Animation Play

The simplest quadratic functions Whiteboard exercise Play

The values of the function Whiteboard exercise Play

What is a composition of functions? Animation Play

What is a composition of functions? Student activity Play

What is a function? Student activity Play