All Questions
4
questions
2
votes
2
answers
377
views
Is a circle a multivalued function?
I don't really understand multi-valued function. I hope one of you can make me understand it. What I've learned from google, I suppose that a multi-valued function is a binary relation that maps the ...
10
votes
3
answers
1k
views
Significance of Codomain of a Function
We know that Range of a function is a set off all values a function will output.
While Codomain is defined as "a set that includes all the possible values of a given function."
By knowing ...
0
votes
2
answers
89
views
Is there a name for a real-valued function whose input is also real?
I'm trying to write a sentence about a function $f:\mathbb{R}\to \mathbb{R}$, and I want to refer to it as real valued or as a scalar function, or some similar term, but I want that term to also ...
2
votes
3
answers
1k
views
What qualifies as a polynomial?
I have a very simple question regarding the definition of polynomials (with real coefficients).
What I've seen so far in terms of defintions:
A polynomial $p(x)$ is a function that can be written in ...