The cost of a gym membership has gone up by 4% each year. If the gym membership costs $15 this year, how much will it cost in 8 years? $480 $19.80 O $10.82 $20.53 12 Question 7 (5 points) 15 10 Listen A certain drug decreases in the human body at a rate of 12% per hour. The intial 18 amount of drug in the blood stream is 8 milligrams. Choose the function that models this situation. OA - 8(0. 88) OA = 8(1. 12)* O A = 12(0. 92) O A = 8(0. 12)