Function & Set & Possibility question (Solved)
For set A={1, 2, 3, 4, 5}, how many functions f from set A to set A satisfy the following conditions?
(A) n({f(x)|x E A}) = 3
(B) composite function f*f's range have 2 elements.
a) 900 b) 1440 c) 1080 d) 1620 e) 1200
(I'm not English user, so translation might be rough. I want to know how to solve this problem.)
Dnnn
3
Join Matchmaticians Affiliate Marketing
Program to earn up to a 50% commission on every question that your affiliated users ask or answer.
- unanswered
- 360 views
- Pro Bono
Related Questions
- Find the coordinates of the point $(1,1,1)$ in Spherical coordinates
- Are my answers correct
- Calculus - 2nd order differential equations and partial derivatives
- Can someone translate $s_j : \Omega \hspace{3pt} x \hspace{3pt} [0,T_{Final}] \rightarrow S_j \subset R$ into simple English for me?
- What is this question asking and how do you solve it?
- Explain proof of directional derivative
- Find $\lim_{x \rightarrow} x^2 \sin(1/x) $. Cite theorems used and show all work
- taking business calc and prin of finance class should i buy calculator in body
Questions at this level should come with a bounty.