week 10 – math 9

this week we looked at functions! Something that I took away from the lesson was, how to determine what a function is. And why it is different from a relation:

its quite simple a relation is the relationship between many different outcomes/outputs of numbers for an input. ex. you have many friends

Whereas, a function is a relationship between only one outcome/output for an input. ex. like your special relationships; only 1 biological mom, one husband (hopefully…), etc.…

to show you what this looks like I made some diagrams to represent a relation v.s a function:

function: only one output per input and no repeated inputs


relation: can be shown in different ways; more than one output for an input:

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