List questions from functions

Published on 25 Mar 2026 - 1:16

31

Views

Is a function a digraph?

Published on 11 Apr 2026 - 3:27

118

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Is it a decreasing function of $x$?

Published on 11 Apr 2026 - 8:36

45

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Is this function always positive for $a<1$?

Published on 11 Apr 2026 - 20:40

170

Views

Sigmoid to $\tanh$: why scale the $x$?

Published on 12 Apr 2026 - 3:36

174

Views

Calculate domain $f(x)=x^{\frac{x+1}{x+2}}$

Published on 08 Apr 2026 - 23:12

63

Views

Is the function $f(x)=x\sin(1/x)$ continuous and differentiable at x=0?

Published on 29 Mar 2026 - 15:03

1.4k

Views

Finding the center of function in general

Published on 07 Apr 2026 - 11:03

679

Views

Known concave down increasing function that can be used to estimate a utility function for a dataset?

Published on 09 Apr 2026 - 4:09

62

Views

What is the domain of $f(x)=x^{2/4}$

Published on 11 Apr 2026 - 16:51

118

Views

Modifying a linear function to start flat

Published on 08 Apr 2026 - 16:12

195

Views

Formal definition of a graph? $ \{ (x,f(x)) \mid x \in A \} $

Published on 03 Feb 2018 - 2:47

946

Views

Cauchy criteria at infinity

Published on 01 Apr 2026 - 3:20

58

Views

Finding $\alpha$ and $\beta$ so that function becomes continuous

Published on 29 Mar 2026 - 16:25

65

Views

Minimum, maximum and $||f_n||_\infty$ of $f_n(x) = x^{\frac{n}{2}}e^{-nx}$

Published on 06 Apr 2026 - 22:17

List Question

Vertex of a parabola without calculus?

Is a function a digraph?

Is it a decreasing function of $x$?

Is this function always positive for $a<1$?

Sigmoid to $\tanh$: why scale the $x$?

Calculate domain $f(x)=x^{\frac{x+1}{x+2}}$

Is the function $f(x)=x\sin(1/x)$ continuous and differentiable at x=0?

Finding the center of function in general

Known concave down increasing function that can be used to estimate a utility function for a dataset?

What is the domain of $f(x)=x^{2/4}$

Modifying a linear function to start flat

Formal definition of a graph? $ \{ (x,f(x)) \mid x \in A \} $

Cauchy criteria at infinity

Finding $\alpha$ and $\beta$ so that function becomes continuous

Minimum, maximum and $||f_n||_\infty$ of $f_n(x) = x^{\frac{n}{2}}e^{-nx}$

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