## Find the derivative at a value of x

In this tutorial the students will learn how to find the derivative of a function at a specific point. The student will find the point of tangency and the derivative. Using this information the student will then write the equation of the tangent line.

## Explicit Function

## Derivative

## Slope

## Point of Tangency, (20,-15)

## Tangent Line

## Graphing Tool

Click on the link below to see this question on an interactive online graphing calculator

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