Safari Live - Day 368 | National Geographic

[Instructor] We are asked to find the value of this indefinite integral. And some of you, in attempting this, might try to say, all right, is the numerator here the derivative or a constant multiple of the derivative of the denominator? In which case, u-s…

Although manta rays are a really iconic species that have a really high value in tourism, they’re also targeted all around the world in fisheries. But they’re also incredibly susceptible to bycatch. So, Critter cam is going to play a huge role in being a…

We are told to use estimation to tell whether each estimated quotient is reasonable or unreasonable. So we have a bunch of estimated quotients here. Someone is estimating that 2419 divided by 3 is roughly equal to 7500. We have to figure out is that reaso…

There are several factors that can affect the rate of a reaction. One factor is the concentration of a reactant. Most chemical reactions proceed faster when the concentration of one of the reactants is increased. For example, let’s look at the reaction of…

Let f of x equal negative x squared plus a x plus b over x squared plus c x plus d, where a, b, c, and d are unknown constants. Which of the following is a possible graph of y is equal to f of x? They tell us dashed lines indicate asymptotes. So, this is…

Uh hi everyone, welcome to our homeroom live stream. Sal Khan here from Khan Academy. I’m very excited about the very relevant guest we have today, Randy Weingarten, president of the American Federation of Teachers. Before we jump into that conversation, …