Ranking up.

Hi there,

i just got Gold 5 (like 2 weeks ago maybe) and since then i just lost, i always played a few normal games and destroyed everything and than played 1 - 3 ranked games and lost all of them. I played like 6 games since im Gold and i lost 2 of them because i really sucked hard and in the other 4's we were unlucky / teammates had bad games / someone fed the enemy and trolled / i just couldnt carry. My questions now :

Is it possible to get a division up and just loose every game and instantly drop back? Are there any advises you could give me? Should i dodge if i already see in champ select we are gonna loose (bc we are full ad / ap, our team comp is just worse then the enemys, someone is trolling) Is there someone around my elo playing adc that wants to duo with me (main support). Should i play Janna? I used to be good at her and had good winrates but people tell me if i have bad teammates you cant do anything bc you deal 0 dmg and your shield wont save them from running 1 v 5 into a team that has 8707 kills more than you, baron buff, elder dragon and 5 infernal drakes. Is Tahm Kench still good? He has 22 seconds on W. Should i play Morgana? I played 200 games on her maybe but she doesnt appeal to me anymore even tho i had like a 58% winrate on 60 games with her. Always when i play her i loose even tho i have good stats, better warding than the enemy supp and i change my item build depending on the enemys. Is Rylias Cepter still good on Morgana i like to take it with me because its easier to hit the Q and stops enemys if they run towards you / away. Should i even play support (Solo Q) because i have less carry potential. If i fall behind i often loose, there are people that say "Just farm and play save" how should i farm as a support if no one is coming with me? How should i farm with the blue support item (Spear). What should i do if the enemy makes pressure as 5 on 1 lane? Should i go help or try to splitt farm? When i fall behind / loose turrets its not that safe anymore to ward so i often try to just ward my side of the jngl but even then i ward less because i am afraid that the enemy will catch and kill me while i destroy their wards or try to place mine. Is it worth to buy the blue ward than?

Sorry for the long text i tried to keep it short but its not easy.

Thanks for your tips.