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...
If it was my truck I would send the engine in to the local oil changer and relax and see some old po...
A GREAT YET DISAPPOINTING SEASON. GRRM ONCE SAID THAT 4 SEASONS WITH 10 EPISODES EACH ARE NEEDED FOR...
Why is the Middle East prone to terrorism? According to Google that " The presence of oil and natura...
I saw my urologist two weeks ago. She asked me if I wanted a chaperone. (I said I didn’t need one.)...
Ah…north korea. The misery, the starvation, the oppressive regime ready to kill you for a fart. A li...
18- The Bible Explains Family The first question in the vatican’s ‘survey’ on the family asks what 3...
Springfield Ohio is about your average American boom town that is no longer booming. It has a popula...
My first time was with a guy I met on Craigslist back in the day, lol. I posted an ad and he respond...
First, it isn’t important what psychology (psychology doesn’t actually think at all) or psychologist...
Wow, how can a person pick just one? I have twenty that I consider mean, that they don't, so here go...
This is happening in every field in India not only the food cart business!!! This is a true example!...