Safari Live - Day 368 | National Geographic

You are likely already familiar with finding the area between curves, and in fact, if you’re not, I encourage you to review that on Khan Academy. For example, we could find this yellow area using a definite integral. But what we’re going to do in this vi…

Mr. President! Nuclear missiles will strike our country in 14 minutes. I know it’s your first day in office, so I’m going to walk you through it, but you’re the only one who can authorize our nuclear retaliation in response, and you’ve only got a few minu…

On the 5th of July 2016, Nintendo launched what would become one of the most popular mobile games of all time: Pokémon Go. The game was an instant cultural phenomenon, breaking multiple world records in its first month. After just 20 days, it passed over …

So here we have the graph ( y = G(x) ). We have a little point discontinuity right over here at ( x = 7 ), and what we want to do is figure out what is the limit of ( G(x) ) as ( x ) approaches 7. So essentially, we say, “Well, what is the function appro…

So this is Sal Khan, founder of the Khan Academy, and this is a very exciting Skype call that we’re on. I’m with Ben Hedrick, who’s the lead for AP Calculus. What do you do at the College Board? Uh, really anything with AP Calculus and AP Statistics is s…

What’s up, guys? It’s Graham here. So, two years ago, I did a thing. I was able to obtain what many people would consider to be the holy grail of credit cards, one that very few people even know exists. If you think that’s a weird thing to say, that’s bec…