The number of functions $ f : \left \{ 1, 2, . . . , 10 \right \} \rightarrow \left \{ 1, 2, . . . , 10 \right \}$ such that $f(x) \neq x$ for all $x$

score 68 · Answer 6 · 2026-04-17 03:55:29

68

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score 47 · Answer 7 · 2026-04-11 15:00:22

47

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score 34 · Answer 8 · 2026-04-16 18:01:39

34

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score 216 · Answer 9 · 2026-04-11 15:12:01

216

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score 84 · Answer 10 · 2026-04-12 11:56:19

84

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When will the function be identically zero

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score 74 · Answer 11 · 2026-04-13 23:03:31

74

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Domain of composite function with initially restricted domain

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score 133 · Answer 12 · 2026-04-17 04:43:37

133

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Find the inverse of $y = \frac{x^4-10x^2+13}{5-x^2}$

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score 59 · Answer 13 · 2026-04-08 17:08:13

59

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Is every non-increasing function not increasing?

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score 238 · Answer 14 · 2026-04-14 22:27:40

238

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score 122 · Answer 15 · 2026-04-15 19:30:57

122

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How many functions are there from [9] to [7] if every image in the codomain has 3 arguments in the domain?

Published on 15 Apr 2026 - 19:30

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