The piecewise relation which defines a function is option B.
What is a function?
A function can be defined as a mathematical expression that defines and represents the relationship between two or more variable.
The types of function.
In Science, there are different types of functions and these include the following;
- Piece-wise defined function
A piecewise-defined function refers to a type of function that is defined by two (2) or more mathematical expressions (equations) over a specific domain. As an example, we have:
[tex]F(x)=\left \{ {{x^3-4} \atop {x+3}} \right.[/tex]
Read more on function here: https://brainly.com/question/4246058