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3.9: Derivatives of Exponential and Logarithmic Functions

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## 3.9: Derivatives of Exponential and Logarithmic Functions

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**Photo by Vickie Kelly, 2007**Greg Kelly, Hanford High School, Richland, Washington Mt. Rushmore, South Dakota 3.9: Derivatives of Exponential and Logarithmic Functions**Look at the graph of**If we assume this to be true, then: The slope at x=0 appears to be 1. definition of derivative**Now we attempt to find a general formula for the derivative**of using the definition. This is the slope at x=0, which we have assumed to be 1.**is its own derivative!**What about ?