![]() Values greater than four, we're approaching from And so this is going to beĮqual to the square root of four, even though right at four, our f of x is equal to this, we are approaching from So as we are approachingįour from the right, we are really thinking about And so when x is greater than four, our f of x is equal to square root of x. Alright, let's start with this first one, the limit as x approaches four, from values larger than equaling four, so that's what that plus tells us. ![]() If you can figure out what these various limits would be, some of them are one-sided, and some of them are regular ![]() That are defined algebraically like our f of x right over here. For more information, visit, join us on Facebook or follow us on Twitter at And remember, you can learn anything.Think a little bit about limits of piecewise functions Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere.
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