SAT, 23.12.2021 01:00 Felicitybuckman

The half life of a certain substance is about 4 hours. The graph shows the decay of a 50 gram sample of the substance that is measured every hour for 9 hours. Which function can be used to determine the approximate number of grams of the sample remaining after t hours? y = 25(0. 15)t y = 25(0. 85)t y = 50(0. 15)t y = 50(0. 85)t.

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