A Function
Not every relation is a function. But every function is a relation. Function is just a part of relation.
Every number is a unique number.
Yes, every real number has a unique cube root.
That is part of the definition of a function.
Every triangle is unique, so this question cannot have a serious answer.
Not every relation is a function. But every function is a relation. Function is just a part of relation.
It has many unique properties, most important in relation to us is that it is found in every living creature, so far as we know.
Not every relation is a function. A function is type of relation in which every element of its domain maps to only one element in the range. However, every function is a relation.
No
A relation is a function if every input has a distinct output.
Every country is unique.
Every number is a unique number.
A primary key is the identifier in a table. It cannot contain values that are null, and it has to be unique for every record. For example, a driver's license number could be a primary key in a relational database table. Every driver is assigned to one unique identifier, or driver's license number, and no two driver's license numbers are identical.
Every chemical compound is unique and different from the ELEMENTS it contains
Yes, every real number has a unique cube root.
their shape, each snowflake has a unique shape.
For every element on the domain, the relationship must allocate a unique element in the codomain (range). Many elements in the domain can be mapped to the same element in the codomain but not the other way around. Such a relationship is a function.