This math topic focuses on solving exponential decay equations in discrete time models to find starting values. It covers real-world applications such as the growth or decline of bird populations, the balance of charity endowments, toxin concentrations, and whale populations over time. The exercises require rearranging exponential equations to isolate and calculate the initial amount or concentration from given decay rates and times. Each problem is structured with multiple-choice answers, enhancing the understanding of exponential function manipulations and inversion techniques.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
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