Question

If two functions are defined by the same formula, but have different codomains, are they equal?

score 1.7k · Answer 1 · 2026-04-13 12:57:20

1.7k

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If two functions are defined by the same formula, but have different codomains, are they equal?

Published on 13 Apr 2026 - 12:57

score 58 · Answer 2 · 2026-04-13 02:18:54

58

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Proof the differentiability of multivariable functions

Published on 13 Apr 2026 - 2:18

score 74 · Answer 3 · 2026-04-16 03:36:49

74

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Find the derivative of $f$ at $2$

Published on 16 Apr 2026 - 3:36

score 1.3k · Answer 4 · 2026-04-09 18:58:36

1.3k

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Proving two functions are equal with their derivatives

Published on 09 Apr 2026 - 18:58

score 97 · Answer 5 · 2026-04-15 21:01:51

97

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How to solve $xe^{x/250}-280e^{x/250}+280=0$

Published on 15 Apr 2026 - 21:01

score 56 · Answer 6 · 2026-04-14 12:20:35

56

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Check for potentially simple proof of Brouwer's FP Theorem

Published on 14 Apr 2026 - 12:20

score 35 · Answer 7 · 2026-04-15 18:07:25

35

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Finding the number of functions that can be formed.

Published on 15 Apr 2026 - 18:07

score 2k · Answer 8 · 2026-04-21 04:04:02

2k

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What exactly does $g^2(x)$ mean

Published on 21 Apr 2026 - 4:04

score 39 · Answer 9 · 2026-04-13 17:38:22

39

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Reference Request Fixed Point with correction

Published on 13 Apr 2026 - 17:38

score 56 · Answer 10 · 2026-04-14 02:14:07

56

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Surjectivity of the Conway Base-13 function twice

Published on 14 Apr 2026 - 2:14

score 244 · Answer 11 · 2026-04-13 10:01:17

244

Views

One-to-One and Onto Proof

Published on 13 Apr 2026 - 10:01

score 64 · Answer 12 · 2026-04-11 21:26:53

64

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What does it mean for this function to be constant?

Published on 11 Apr 2026 - 21:26

score 57 · Answer 13 · 2026-04-16 17:59:05

Let $f\in(-a,a)\smallsetminus\{0\} \to \mathbb{R}$ prove that: $\lim_{x\rightarrow 0} f(x)=L \Leftrightarrow \lim_{x\rightarrow 0} f( \sin(x))=L$

score 89 · Answer 14 · 2026-04-21 04:28:24

89

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If $\frac{d\;f(x)}{dx}=k\;g(x)$, then is $\frac{\left(\frac{d\;f(x)}{k}\right)}{dx}= g(x)$ or $\frac{d\left(\frac{f(x)}{k}\right)}{dx}= g(x)$?

Published on 21 Apr 2026 - 4:28

score 52 · Answer 15 · 2026-04-14 04:15:30

52

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Notation for the domain of $f(\mathbf x,\mathbf y)$?

Published on 14 Apr 2026 - 4:15

List Question

If two functions are defined by the same formula, but have different codomains, are they equal?

Proof the differentiability of multivariable functions

Find the derivative of $f$ at $2$

Proving two functions are equal with their derivatives

How to solve $xe^{x/250}-280e^{x/250}+280=0$

Check for potentially simple proof of Brouwer's FP Theorem

Finding the number of functions that can be formed.

What exactly does $g^2(x)$ mean

Reference Request Fixed Point with correction

Surjectivity of the Conway Base-13 function twice

One-to-One and Onto Proof

What does it mean for this function to be constant?

Let $f\in(-a,a)\smallsetminus\{0\} \to \mathbb{R}$ prove that: $\lim_{x\rightarrow 0} f(x)=L \Leftrightarrow \lim_{x\rightarrow 0} f( \sin(x))=L$

If $\frac{d\;f(x)}{dx}=k\;g(x)$, then is $\frac{\left(\frac{d\;f(x)}{k}\right)}{dx}= g(x)$ or $\frac{d\left(\frac{f(x)}{k}\right)}{dx}= g(x)$?

Notation for the domain of $f(\mathbf x,\mathbf y)$?

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