What is a Function?

Functions are incredibly important mathematical relations. In this video we define functions and discuss how to identify them.

[@Kwintessential2]

No problem with the dog

[@Kwintessential2]

This is an excellent video and I am a new subscriber

[@MathsterofScience]

Thanks for subscribing. I hope that you find my videos helpful.

[@Kwintessential2]

@@MathsterofScience absolutely

[@Kwintessential2]

What does a function do?

[@MathsterofScience]

A function is a special type of relation. Like a relation, when you input a number it provides an output number. However, for it to be a function and not just a relation, then for any input number there will never be more than one output.

[@Kwintessential2]

@@MathsterofScience thanks