Determining and representing the domain and range of exponential functions | Khan Academy

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https://www.khanacademy.org/math/algebra-1-tx/x36b5a29ce1c3a684:arithmetic-and-geometric-sequences/x36b5a29ce1c3a684:identifying-key-features-of-exponential-functions/v/determining-and-representing-the-domain-and-range-of-exponential-functions

Given an exponential function of the form f(x) = a*b^x in algebraic or graphed form, determine its domain and range.

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