The derivative of a function gives us the slope of the line tangent to the function at any point on the graph. This can be used to find the equation of that tangent line.

AP Calculus AB on Khan Academy: Bill Scott uses Khan Academy to teach AP Calculus at Phillips Academy in Andover, Massachusetts, and heÕs part of the teaching team that helped develop Khan AcademyÕs AP lessons. Phillips Academy was one of the first schools to teach AP nearly 60 years ago.

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Multi-Step Inequalities Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/linear_inequalities/inequalities/e/linear_inequalities?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Watch the next lesson: https://www.khanacademy.org/math/algebra/linear_inequalities/inequalities/v/interpreting-inequalities?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? https://www.khanacademy.org/math/algebra/linear_inequalities/inequalities/v/multi-step-inequalities-2?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Khan Academy: Algebra is the language through which we describe patterns. Think of it as a shorthand, of sorts. As opposed to having to do something over and over again, algebra…

Objectives: 1) Graph and recognize logarithmic functions 2) Recognize, evaluate, and graph natural logarithmic functions 3) Use logarithmic functions to model and solve real-life problems http://goo.gl/forms/1ZrSnH6DFq

What is the meaning of the integral? Is it the area underneath the graph? If you think so, please watch this video and learn about the signed area! This video is part of the edX course: pre-university Calculus (Calc001x)