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New posts in functions
What is $\arctan(x) + \arctan(y)$
functions
trigonometry
inverse-function
Is $f^{-1}(f(A))=A$ always true?
elementary-set-theory
functions
Proof that a constraints set is closed
general-topology
functions
optimization
continuity
constraints
What is wrong in this proof? [duplicate]
real-analysis
calculus
functional-analysis
analysis
functions
Maximum value of function $f(x)=\frac{x^4-x^2}{x^6+2x^3-1}$ when $x >1$
real-analysis
functions
optimization
maxima-minima
a.m.-g.m.-inequality
Function which creates the sequence 1, 2, 3, 1, 2, 3, ...
sequences-and-series
functions
discrete-mathematics
modular-arithmetic
Prove $\sin x$ is uniformly continuous on $\mathbb R$
calculus
functions
continuity
Solving $f(f(f(x)))=x$ where $f(x)=4x(1-x)$
functions
polynomials
How to determine if a function is one-to-one?
calculus
algebra-precalculus
functions
What is the difference between a part of speech and a syntactic function / grammatical relation?
grammar
parts-of-speech
syntactic-analysis
functions
Why is $\log(\sqrt{x^2+1}+x)$ odd?
algebra-precalculus
functions
Derivative of $\left(\frac{\sqrt{8|x|}\sin^2 x}{\cos x}\right)^{\operatorname{erf}(x)}$
calculus
functions
derivatives
maxima-minima
Is there a bijection between $(0,1)$ and $\mathbb{R}$ that preserves rationality?
functions
elementary-set-theory
Dense set in the unit circle- reference needed
real-analysis
functions
reference-request
dynamical-systems
irrational-numbers
What is a basis for the vector space of continuous functions?
linear-algebra
functions
axiom-of-choice
What is the "fastest" increasing function that's useful in some area of math?
functions
recreational-mathematics
big-numbers
Explaining Horizontal Shifting and Scaling
algebra-precalculus
functions
soft-question
education
How to obtain $f(x)$, if it is known that $f(f(x))=x^2+x$?
functions
functional-equations
Proving the Mean Value Theorem Without Rolle's Theorem
real-analysis
calculus
analysis
functions
alternative-proof
Why is an empty function considered a function?
functions
elementary-set-theory
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