Question #21968

1 Answer
Jake L.
Jan 15, 2015

The derivative of a graph at a certain point is the slope at that point. This can be found by drawing a tangent line (as shown below) and finding the slope of that line.

http://en.wikipedia.org/wiki/Derivative

The more accurate method is to find the actual derivative using the equation of the graph, but this is the graphical way of approximating the derivative.

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