Question: Select all that apply: What does it mean for a function to be a first class citizen? Group of answer choices Functions can be returned

Select all that apply:
What does it mean for a function to be a "first class citizen"?
Group of answer choices
Functions can be returned from a function
Functions can be passed to other functions as parameters
Functions can be created and used anywhere and also assigned to an identifier to be reused.
Functions can be added together like numbers
Functions can be appended to like strings
Functions become robust systems like Classes in OOP

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