(1 point) Students in a fth-grade class were given an exam. During the next 2 years, the same students were retested several times. The average score was given by the model ftt)=85_4logm(r+l), Ogrgzal where t is the time in months. {a} What is the average score on the original exam? {b} What was the average score after one year? to} After how many months would it take for it to predict that the average dropped to 30'? [Assume that the the model could continue past two years. if necessary} (1 point} A travel mug of 97 (3 coffee is left on the roof of a parked car on a cold winter day. The temperature of the coffee after r minutes is given by H = 97(2)_\"10. After how many minutes will the coffee be only lukewarm ( 30' G}? help (numbers) (1 point) lI'll'il leeksfrorn a tank. At hour! 2 0 there are 250 gallons of oil in the tank. Each hour after that, 7% of the oil leaks out. [a] What percent of the original 250 gallons has leaked out after 9 hours? Cl\") [13} If Q) = Que\" is the quantity of oil remaining after 1' hours, nd the value of k. (c) What does It tell you about the leaking oil? Select all that apply if more than one statement is true A. It tells by what percent of oil decays each hour. B. It is the amount that the all that leaks out Ann-h awn-II (1 point] The voftage v across a charged capacitor is given by VU) = 534V" where t is in seconds. (a) What is the voltage after 5 seconds? voles (round to the nearest 0.001 volts] help {numbers} (b) When will the voltage be 1? In seconds (round to the nearest ll101 sec.) help (numbers) (c) By what percent does the voltage decrease each second? 94: (round to the