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Algebra and Trigonometry (6th Edition)
6th Edition
ISBN: 9780134463216
Author: Robert F. Blitzer
Publisher: PEARSON
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
Transcribed Image Text:The mass of a sample radioactive isotope after t years is modeled by the function: M = 90
90(}) .
What does 90 represent in this function?
a) The mass has an initial amount of 90 grams.
b) The mass of the isotope grows by a factor of 90 every year.
c) The mass of the isotope halves every 90 years.
d) The mass of the isotope is decreased by 10 percent each year.
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