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Introduction to exponential functions f(x) = a^x. Definition and representation as graphs. We define the exponential function, determine the domain and look at the course of the graphs (common points, monotonicity). Exponential functions are either strictly monotonically increasing (base a greater than 1) or strictly monotonically decreasing (base a is between 0 and 1). If the base a = 1, then we even have a constant function. Find out more in the lesson: https://www.matheretter.de/m/fkt/expo... Watch more videos, test programs/games, do exercises at: https://www.matheretter.de/ We are here to help you with math! Matheretter 06/2017