This math topic focuses on solving exponential decay problems for an initial value, covering scenarios involving toxins, populations, and endowments. Problems entail calculating the starting concentration or population size after a certain percentage of decline over a given time period. Specific examples include determining the initial concentration of a toxin after monthly reductions, the initial funds in a charity endowment after monthly disbursements, and the initial sizes of bird and whale populations after annual percentage declines. The topic allows practice in translating real-world exponential decline scenarios into mathematical problems and solving for unknown initial values using exponential formulas.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
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