|
Question 1122165: which of the following functions are one-to-one functions? F (X) = │X│
Answer by rothauserc(4718)   (Show Source):
You can put this solution on YOUR website! A 1 to 1 function is a function that preserves distinctness, that is, there is a single input for every output.
:
f(x) = |x| where |x| is absolute value of x
:
this function is not 1 to 1, for example f(3) and f(-3) have the same value
:
|
|
|
| |
