ceva probleme

spiridusu · Posted: 01-04-2010, 12:13:00 | Translate post to: ... (Click for more languages)

1.Sa se det. fct. de gr. al 2-lea f:R->R, astfel incat f(-1)=f(1)=0 si f(2)=6
2.Sa se arate ca pentru oricare a apartine R, dr. y=x+4 intersecteaza parabola y=axpatrat+(a-2)x+1
3.Se considera fct. f:R->R, f(x)=1-2x.Sa se arate ca fct FoFoF este strict descrescatoare.
4.Fie multimea A={-2,-1,0,1,2} si o fct. bijectiva f:A->A.Sa se calculeze f(-2)+f(-1)+f(0)+f(1)+f(2)

ion · Posted: 01-04-2010, 14:08:10 | Translate post to: ... (Click for more languages)

http://i44.tinypic.com/292wpzl.jpg
http://i40.tinypic.com/14sil3m.jpg
http://i40.tinypic.com/2va0eud.jpg
http://i39.tinypic.com/29qigm0.jpg

Kirov · Posted: 12-04-2010, 00:00:40 | Translate post to: ... (Click for more languages)

Ion...tu chiar ai stat sa rezolvi functiile alea ? Surprise

.......frumos din partea ta si totusi nebunesc

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Most people shout "***!!!" just before they lose control of a car... but i say: "Hold my beer and watch this!"

spiridusu · Posted: 12-04-2010, 06:55:51 | Translate post to: ... (Click for more languages)

Am uitat sa iti multumesc la timpul potrivit, au fost bune functiile, merci mult

XZoRO · Posted: 15-04-2010, 14:19:56 | Translate post to: ... (Click for more languages)

Ion da ce cls esti:))??...da le ai cu matematica..