Mathematics, 20.05.2020 15:58 Anonymousmike

Use the following information for question 1
You buy a commemorative coin for $20. The value of the coin increases at a rate of 3.5% per year.

1. Radioactive iodine is used to determine the health of the thyroid
gland. It decays according to the equation y = ae^-0.0856t, where t is in days. Find the half-life of this substance

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Use the following information for question 1
You buy a commemorative coin for $20. The value o...