
calculus - How to determine if a function is one-to-one?
43 I am looking for the "best" way to determine whether a function is one-to-one, either algebraically or with calculus. I know a common, yet arguably unreliable method for …
How to tell if a function is one-to-one or onto
Nov 14, 2013 · A function can be $1-1$ and onto (or it can be one, but not the other, or it can be neither). I'll edit in a discussion of whether the function in 1) in onto.
Analytic method for determining if a function is one-to-one
Dec 28, 2011 · 10 In algebra, we learn that if a function $ f (x) $ has a one-to-one mapping, then we can find the inverse function $ f^ {-1} (x) $. The method that I have seen taught is the …
Determine whether function is onto or one-to-one
Oct 12, 2018 · 0 Whether or not something is one-to-one or onto depends on the domain and range of the functions. If it specified that you're working in the integers, then you have to look …
Proving a function is onto and one to one
Oct 28, 2013 · I'm reading up on how to prove if a function (represented by a formula) is one-to-one or onto, and I'm having some trouble understanding. To prove if a function is one-to-one, it …
How to determine if this function is one-to-one
I know that for a function to be 1 to 1, all x should give the different output. (so if two x have same output, it is not 1 to 1) I think this function is 1 to 1 because all real positive numbers (domain) …
Determine whether each function is one-to-one, onto, or both
Determine whether each function is one-to-one, onto, or both Ask Question Asked 10 years, 10 months ago Modified 10 years, 10 months ago
How to determine if a function is one-one using derivatives?
May 8, 2017 · If it is incorrect, please give the reasons as to why it is incorrect and provide (if there exists) another method to prove that the function is one-one (apart from the methods …
Determine whether the Question is One-to-One; f (x) = 3x+4?
0 I am having a problem understanding how to determine if a function is one to one. The problem is: Show that the function f (x) = 3x+4 is one-to-one. Also, I'm being thrown off by the notation …
How to determine if this function is one-to-one, onto, or bijection?
How to determine if this function is one-to-one, onto, or bijection? Ask Question Asked 14 years ago Modified 6 years, 8 months ago