# Bunuelian Trick

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 Apr13 answered Range for the function $f(x) = 3x + 2$ with domain $x > 0$ Mar27 awarded Popular Question Mar12 asked we need to find unit vector along the reflected ray. Mar8 accepted Injective function from a set of $n$ element to a set of $n$ element Mar8 asked Injective function from a set of $n$ element to a set of $n$ element Mar8 asked Suppose $|S|=n$, we need to determine number of operation on $S$ Mar7 awarded Popular Question Feb24 answered Intuition behind symmetric groups Feb22 answered Prove that if $A$ and $B$ are sequentially compact sets in $R^n,$ then $A+B$ is sequentially compact. Feb22 comment $\lim_{x\to 0} {[\sqrt{2} x]\over x}$ that is box function i mean greattest integer function, and $\{x\}$ denote fractional part of $x$ Feb22 asked $\lim_{x\to 0} {[\sqrt{2} x]\over x}$ Feb21 answered $\lim_{n \to +\infty}2^n\sin(2^{-n})$ Feb17 comment what will be its value at the end of $10$ year? I think decreasing moneys are in arithmetic progression Feb17 asked what will be its value at the end of $10$ year? Feb13 answered For a linear map $T(a_1v_1+…+a_nv_n) = a_1v_1$, why does this automatically imply $Tv_1 = v_1$? Feb13 accepted $f^{(n)}(z_0)>n!\, b_n$ and also $\lim (b_n)^{1/ n}\to\infty$ Feb12 answered What does $\text{mod}\ m$ in $a \equiv b (\text{mod}\ m)$ means Feb10 comment Is $\sqrt{x}(\sin{1\over x}+x)$ uniformly continuous on $(0,\infty)$? @learner you are most welcome. Feb9 revised Is $\sqrt{x}(\sin{1\over x}+x)$ uniformly continuous on $(0,\infty)$? added 207 characters in body Feb9 comment Is $\sqrt{x}(\sin{1\over x}+x)$ uniformly continuous on $(0,\infty)$? Notation explained