Question

what is the definition of a nested function?
a cell that is used in two different functions
arguments defined inside of two functions
arguments defined inside of arguments inside of a function
a function defined inside of another function

Explanation:

A nested function is a function that is defined within another function. It has access to the variables and scope of the outer - function. The other options do not correctly define a nested function.

Answer:

a function defined inside of another function