How different are these function from calculus point of view, f(x)=(x^2-4)/(x-2) and g(x)=(x+2)?
17642
Why are removable discontinuities even discontinuities at all?
84143
Given any function $g(x): \mathbb{R} \rightarrow \mathbb{R}$, find a function $f(x)$ such that $f(f(x)) = g(x)$.
47452
Calculus Question: $\int_0^1\frac{(x-x^2)^4}{1+x^2}dx$
77074
If $ f(f(f(x)))=x$, does$ f(x)=x$ necessarily follow?
156536
Defining functions as derivatives
144773
function $f(x)=x^{-(1/3)}$ , please check whether my solution is correct?
59956
Show that the function $g(x) = x^2 \sin(\frac{1}{x}) ,(g(0) = 0)$ is everywhere differentiable and that $g′(0) = 0$
27969
Why does $\frac{1}{x} < 4$ have two answers?
745
$F(x)$ versus $F[x]$ where $F$ is a field
103251
Solution(s) to $f(x + y) = f(x) + f(y)$ (and miscellaneous questions...)
96973
If $F(0,0)=0$ and $F(x,y)= \frac{xy}{x^2+y^2}$ for $(x,y)\neq (0,0)$ then $F$ is differentiable at $(0,0)$?
25913
Is writing $dx^2$ same as writing $d(x^2)$ in calculus
120707
Proof regard to the function $ f\left(x\right)=\begin{cases} x^{2}\sin\left(\frac{1}{x^{2}}\right) & x\neq0\\ 0 & x=0 \end{cases} $
142873
What does the function f: x ↦ y mean?
140454
Question regarding fundemental theorem of calculus
84597
Derivative of $(1-x)^{-2}$
10774
Why $f(x) = \sqrt{x}$ is a function?