Building Product, Talking to Users, and Growing with Adora Cheung (How to Start a Startup 2014: 4)

It was back on the 4th of April that Elon Musk first announced he was buying 9% of Twitter, a large yet relatively small ownership stake in the company. It was enough to be heard but not necessarily enough to be listened to. And to nobody’s great surprise…

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The function ( f ) is defined over the real numbers. This table gives select values of ( f ). We have our table here; for any of these ( x ) values, it gives the corresponding ( f(x) ). What is a reasonable estimate for the limit of ( f(x) ) as ( x ) appr…

We’re told that quadrilateral ABCD is similar to quadrilateral STUV. So what we’re going to do in this video, this isn’t a question; this is just a statement right over here. But what we’re going to do is think about what does similarity mean? What does i…

Hi everyone! Sal Khan here from Khan Academy. Welcome to our homeroom live stream. I’m very excited about today’s guest, Superintendent Austin Buettner from Los Angeles Unified School District. So already, start thinking about some questions you might ha…

Amelia registers vehicles for the Department of Transportation. Sports utility vehicles, also known as SUVs, make up 12% of the vehicles she registers. Let V be the number of vehicles Amelia registers in a day until she first registers an SUV. Assume that…