lodine-131 can be used to treat certain medical conditions. Suppose the amount of iodine-131 remaining in the body after t days can be modeled using the exponential function shown in the following graph. What sthe average rate of change in iodine-131 from 7 to 10 days? (7, 2.726) (10, 2.102) 5 10 15 20 Number of Days O From 7 to 10 days, the amount of iodine-131 decreases by 4.808 g per day. O From 7 to 10 days, the amount of iodine-131 increases by 0.208 g per day. O From 7 to 10 days, the amount of iodine-131 increases by 4.808 g per day. O From 7 to 10 days, the amount of iodine-131 decreases by 0.208 g per day. Amount of Iodine-131 (g)

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