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...
we go at it for hours. but start usually porn. I am the most pathetic panty pervert so i couldnt get...
Every living thing has a limited life span. Not to mention species other than human beings, we live...
Such an interesting phenomena I’ve been placed at around a 7/10 or an 8/10 on the attractiveness sca...
Health officials want you to think twice before buying brightly colored energy shots and supplements...
When I was just the age of 20 in Colorado I had been booked and held in jail for a major felony for...
Fatigue before menstruation can stem from hormonal changes, disrupted sleep patterns, or iron defici...
LOL!!…It’s pretty much a guy thing. Give you an example : Let’s say I am home on a three to four day...
Racism - overt or covert, there is denial, minimization and invalidation when issues arise along wit...
I’m voting for Biden no matter what. So is my family and all my friends except maybe a couple (bless...
Would you laugh at an ugly guy that wanted hot girls to the table? The only difference is ugly man c...