List questions from functions

Published on 11 Apr 2026 - 16:49

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Explanation of ''if $X\subset \mbox{dom f}$ then $f(A)\neq \{y:\mbox{for some } x, x\in X \mbox{ and } y=f(x)\}$''

Published on 11 Apr 2026 - 5:27

50

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Determine F(3) and F(1/$\lambda$) from a frequency function

Published on 11 Apr 2026 - 22:10

261

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Does $A\sim B$ implies $B\sim A$?

Published on 11 Apr 2026 - 5:27

60

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How to determine asymptotes?

Published on 10 Apr 2026 - 6:21

72

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Prove that a function is injective

Published on 12 Apr 2026 - 0:42

73

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Using the definition of O( big-O), show that 2n $ \in $ O($6n^2$)

Published on 25 Mar 2026 - 6:24

100

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What does it mean when $f(x_1, x_2) = x_1 + x_2$ on $\Bbb R \times \Bbb R_{++}$

Published on 26 Mar 2026 - 18:50

387

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Using the definition of $O$(big O) show that $6n^2$ $\notin O(2n)$

Published on 25 Mar 2026 - 6:24

101

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If $f(x)=f^{-1}(x)$ Does it mean $f(x)=x$ or $f(x)=-x$

Published on 24 Mar 2026 - 22:07

749

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A,B Sets injective map A into B or bijection subset A onto B

Published on 08 Apr 2026 - 22:59

284

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Find length of locus of given inverse trigonometric function

Published on 09 Apr 2026 - 0:30

110

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Find number of ordered sets

Published on 11 Apr 2026 - 2:48

744

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If $f(x)$ is strictly increasing in an interval $[a,b]$ then what can we say about another function $g(x)=(f(x))^2$ in the same interval?

Published on 11 Apr 2026 - 12:56

41

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Finding the mistake in $f(t) = (\cos (t), \sin (t)), f'(t) = if(t)$

Published on 26 Mar 2026 - 2:46

List Question

Why is this the domain of a function?

Explanation of ''if $X\subset \mbox{dom f}$ then $f(A)\neq \{y:\mbox{for some } x, x\in X \mbox{ and } y=f(x)\}$''

Determine F(3) and F(1/$\lambda$) from a frequency function

Does $A\sim B$ implies $B\sim A$?

How to determine asymptotes?

Prove that a function is injective

Using the definition of O( big-O), show that 2n $ \in $ O($6n^2$)

What does it mean when $f(x_1, x_2) = x_1 + x_2$ on $\Bbb R \times \Bbb R_{++}$

Using the definition of $O$(big O) show that $6n^2$ $\notin O(2n)$

If $f(x)=f^{-1}(x)$ Does it mean $f(x)=x$ or $f(x)=-x$

A,B Sets injective map A into B or bijection subset A onto B

Find length of locus of given inverse trigonometric function

Find number of ordered sets

If $f(x)$ is strictly increasing in an interval $[a,b]$ then what can we say about another function $g(x)=(f(x))^2$ in the same interval?

Finding the mistake in $f(t) = (\cos (t), \sin (t)), f'(t) = if(t)$

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