This math topic focuses on solving for starting values in exponential decay equations with mismatched time units. The problems involve various scenarios such as the balance of a charitable endowment with differing disbursement schedules (monthly, weekly, yearly, daily) and the decline of toxin concentration due to dialysis. Each problem statement is followed by multiple-choice answers where the students are required to manipulate exponential decay formulas to find the initial amount or concentration before decay began. This practice aims to develop students' skills in handling exponential functions, particularly in real-world contexts involving time and decay rates.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
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