Why is the domain of these two functions different?
118314
How to define $x^a$ for arbitrary real numbers $x$ and $a$
66357
What does the function declaration "sub function($$)" mean?
135863
Is the graph of a continuous function homeomorphic to its domain?
130679
Difference between Analytic and Holomorphic function
131847
$\frac{(x-1)(x+1)}{ (x+1)} \rightarrow (x-1)$ Domain Change
8072
Why Is a Function Defined As Having Only One Y-Value Output?
81381
Why does the domain and range of $\sqrt x$ contain only positive real numbers?
4196
A valid proof for the invariance of domain theorem?
85770
What is the difference between ∀x(p(x) →q(x)) and ∀x(p(x) ∧q(x))?
55552
Why does the curl of a function provide this particular amount of information?
65510
Why does this function return a different value every time?
55420
How does the chain rule work for functions from vectors to vectors?
142873
What does the function f: x ↦ y mean?
133636
Is $\mathbb Z[X]/(X^2-1)$ a domain?
151864
Derivative of the Absolute Value Function in Mathematica looks very different from the actual answer
41363
when is f@g not the same as f[g]?
98271
Why does $(x \to a) ≠ (x = a)$ , But $f(x \to a) = f(x = a)$