Is there a type of function where every point has exactly one tangent line passing through it? If yes, what is this type of function called?

Eg a parabola y=x² Jesus, of course, spoke in parabolas. In those days it was like the Beatles at Sh...
Eg a parabola y=x² Jesus, of course, spoke in parabolas. In those days it was like the Beatles at Sh...
Should any books be banned from school libraries? Of course. Pornography is the obvious example here...
Okay. Dark Melody is a 5 member girl group formed by SM in 2014. They debuted on December 1st, with...
I was beaten on a regular basis . Everything in my room was outlined with a pencil and if anything w...
Touring makes up a huge portion of an artist’s life and the lion’s share of the industry’s revenues....
My wife and I spent the first couple years of our marriage living under my parents roof. As anyone i...
Incredible how many people actually come in here and talk out of their anal cavity about the protect...
I used to make love with my dog back when we were together but we were always in private. It wouldn’...
Identifying as “incels”. Being a whiny, entitled, self-pitying woman-hater who blames women for not...
Bro you are not gonna believe what happened to me this weekend. I was at the gym. I had this great w...
Yes. Avarnas were generally prohibited from deinking or fetching water from common wells and ponds....
There are two genders, male and female. In rare occurrences there are hermaphrodites (people born wi...