Question

$h$ is a homomorphism, $f$ is any map and $a \neq b$. Then $h(f(a)) \neq h(f(b)) \implies f(a) \neq f(b)$

score 40 · Answer 1 · 2026-04-11 06:45:56

40

Views

$h$ is a homomorphism, $f$ is any map and $a \neq b$. Then $h(f(a)) \neq h(f(b)) \implies f(a) \neq f(b)$

Published on 11 Apr 2026 - 6:45

score 143 · Answer 2 · 2026-04-23 10:53:45

143

Views

Math. Logic in calculus

Published on 23 Apr 2026 - 10:53

score 1.4k · Answer 3 · 2026-03-25 16:02:41

1.4k

Views

What causes a set of functions to form a group under composition?

Published on 25 Mar 2026 - 16:02

score 657 · Answer 4 · 2026-04-11 05:24:19

657

Views

Show functions are injective, surjective if they satisfy identity function

Published on 11 Apr 2026 - 5:24

score 137 · Answer 5 · 2026-04-13 14:37:27

137

Views

Increasing vs decreasing functions

Published on 13 Apr 2026 - 14:37

score 92 · Answer 6 · 2026-04-16 06:27:27

92

Views

Given certain conditions show $f'''(x)\ge3$

Published on 16 Apr 2026 - 6:27

score 42 · Answer 7 · 2026-04-16 11:42:00

42

Views

How would I solve this equation? $x_1^3 - x_1 = x_2^3 - x_2$

Published on 16 Apr 2026 - 11:42

score 41 · Answer 8 · 2026-04-12 13:10:52

41

Views

Domain and Range of a function

Published on 12 Apr 2026 - 13:10

score 25 · Answer 9 · 2026-04-13 08:27:30

25

Views

given a function $f$, as $f: C \rightarrow P(A)$ as $f\left(R\right)= \left[a\right]_{R}$ does $f$ have an inverse?

Published on 13 Apr 2026 - 8:27

score 1.4k · Answer 10 · 2026-04-14 11:16:30

1.4k

Views

Range of function doesn't contain any value belonging to an interval

Published on 14 Apr 2026 - 11:16

score 35 · Answer 11 · 2026-04-10 11:34:22

35

Views

Is there a function with such properties?

Published on 10 Apr 2026 - 11:34

score 907 · Answer 12 · 2026-04-09 11:25:32

907

Views

Show that the composition operator is a bounded linear operator.

Published on 09 Apr 2026 - 11:25

score 966 · Answer 13 · 2026-04-09 19:55:23

966

Views

Intuitive method of finding probability of getting an onto function from all possible functions from a set to another.

Published on 09 Apr 2026 - 19:55

score 250 · Answer 14 · 2026-04-16 07:31:00

250

Views

If the range of $f(x)= \frac{x^2+x+c}{x^2+2x+c}, x\in \mathbb R$ is $\left[\frac 56, \frac 32\right]$ then what is $c$?

Published on 16 Apr 2026 - 7:31

score 252 · Answer 15 · 2026-04-14 10:24:04

252

Views

How many functions $f: B\to B$ map even numbers to even numbers?

Published on 14 Apr 2026 - 10:24

List Question

$h$ is a homomorphism, $f$ is any map and $a \neq b$. Then $h(f(a)) \neq h(f(b)) \implies f(a) \neq f(b)$

Math. Logic in calculus

What causes a set of functions to form a group under composition?

Show functions are injective, surjective if they satisfy identity function

Increasing vs decreasing functions

Given certain conditions show $f'''(x)\ge3$

How would I solve this equation? $x_1^3 - x_1 = x_2^3 - x_2$

Domain and Range of a function

given a function $f$, as $f: C \rightarrow P(A)$ as $f\left(R\right)= \left[a\right]_{R}$ does $f$ have an inverse?

Range of function doesn't contain any value belonging to an interval

Is there a function with such properties?

Show that the composition operator is a bounded linear operator.

Intuitive method of finding probability of getting an onto function from all possible functions from a set to another.

If the range of $f(x)= \frac{x^2+x+c}{x^2+2x+c}, x\in \mathbb R$ is $\left[\frac 56, \frac 32\right]$ then what is $c$?

How many functions $f: B\to B$ map even numbers to even numbers?

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