Learn how to describe a set by saying what properties its members have.

Forget everything you know about numbers. ... In fact, forget you even know what a number is. ... This is where mathematics starts.

Sets and Venn Diagrams. Introduction To Sets. Set Calculator. Intervals. Set Builder Notation. Set of All Points (Locus).

A set is a collection of things, usually numbers. We can list each element (or member) of a set inside curly brackets like this

Interval: all the numbers between two given numbers. Example: all the numbers between 1 and 6 is an interval. Yes.

We can create functions that behave differently based on the input (x) value. A function made up of 3 pieces. when x is less than 2, it gives x2,.

Learn about the differences between Domain, Range and Codomain. In its simplest form the domain is all the values that go into a function ...

There are sets of numbers that are used so often they have special names and symbols ... Natural Numbers ... The whole numbers from 1 upwards. (Or from 0 upwards in some fields of

Function Composition is applying one function to the results of another: The result of f() is sent through g().

An inverse function goes the other way! Let us start with an example: Here we have the function f(x) = 2x+3, written as a flow diagram: