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...
This is one of them. I’ve had many. My older sister Tracy could rattle off false statements so fast...
Apart from the fact that bestiality is a criminal offence in many ares - there is a ‘rape’ element I...
First of all it was quite a journey preparing for jee. So let me first give you people a brief accou...
My First BBC was my coworker Jay ‘not his real name’ when I worked in Telemarketing. The room we wor...
In my case, only a few guys have figured out that I had a crush on them, and that was usually becaus...
The findings suggest black holes could provide a cheaper, natural alternative to billion-dollar part...
I have yet to meet any Christians who are in full agreement on how to interpret Bible passages. The...
Researchers say the smartphone app could empower patients to better understand their disease and mak...
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Mario Kart! Welcome Tour! Split Fiction!
Enslavement of the Jews, gays, Roma, political prisoners and working them to death during WW2, ensla...