Radical functions differentiation intro | Derivative rules | AP Calculus AB | Khan Academy

July 20, 2016
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Khan Academy
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Radical functions differentiation intro | Derivative rules | AP Calculus AB | Khan Academy

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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/old-ap-calculus-ab/ab-derivative-rules/ab-diff-negative-fraction-powers/v/radical-functions-differentiation-intro

Sal differentiates f(x)=-4_x, and evaluates the derivative at x=8. This can actually be done quite easily using the Power rule!

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ap-calculus-ab/ab-derivative-rules/ab-diff-negative-fraction-powers/e/differentiate-radical-functions-intro?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusAB

Watch the next lesson: https://www.khanacademy.org/math/ap-calculus-ab/ab-derivative-rules/ab-diff-negative-fraction-powers/v/tangent-line-intercept?utm_source=YT&u...

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