Please help!!! 25 points! First, find the increasing functions. Then, classify each increasing function as having a larger or a smaller unit rate than the function represented in the graph. Graph: https://cdn. app. edmentum. com/EdAssets/485e128c22ea4679acae3b 65b506bc21?ts=635673342751770000

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Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.