Tag: functions
- Why are zeros of functions so important
- Why is $f:{\mathbb N}\to{\mathbb N}$, f(x) = 17 neither surjective nor injective
- Expressing $f(x) = \frac{x-1}{x+1}$ as a sum of an even and odd function
- Finding number of solutions of $f(x)=f^{-1}(x)$ where $f(x)=x^3+x-1$
- Proof of Lagrange’s interpolation formula
- Domain of $f(x)=1/\sqrt{\left\{x+1\right\}-x^2+2x}$ where {.} denotes the fractional part of $x$.
- Nth derivative of function $f^{1/2}$
- $g\circ f$ injective and $f\circ g$ surjective
- Let $a,b>0$ and $f(a,b)=\frac{a^3b}{(a+b)^4}$, then find maximum value of $f(a,b)$
- How to Determine if a Function Has an Elementary Inverse