Chat with our AI personalities
The help to generalise relationships. For example the function: i = c/2.54 conveys the same information as an infinitely long list of lengths in centimetres and the equivalent values in inches,
It could be any shape - continuous or not, as long as any vertical line intersected it at most once.
Long ago it was thought that the probable function of your wisdom teeth was to enable the chewing of rough food. However, it would appear that evolution has rendered the wisdom teeth to be pointless and no longer serves a purpose.
Functions are an integral part of mathematics, and most students learn them from Algebra II and up. A real life example of a function would be the relation between the height of a ball and how long it has been in the air.
Not every relation is a function. But every function is a relation. Function is just a part of relation.