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- 1. Multiple ChoiceSuppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.y=5000(1-0.3)xy=30(5000)xy=5000(1+0.3)xy=5000xx
- 2. Multiple ChoiceThe number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?9766900697655433
- 3. Multiple ChoiceWrite an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.y=6(0.14)xy=6(1+14)xy=6(1+.14)xy=6(0.86)x - 4. Multiple ChoiceWhat is a, the starting term, for the function: f(x) = 300(1.16)x?3001.16.16x
- 5. Multiple ChoiceWhat does the a in y=a(1+r)t represent?TimeRateSlopeInitial Amount
- 6. Multiple ChoiceThe attendance at the art museum at the New Year’s opening was 250 people. The attendance has been increasing at a rate of 3% each month. How many people will attend by the end of a year?35626558251329
- 7. Multiple ChoiceDaniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?$23,219.72$136.72$51,710.94$16,710.94
- 8. Multiple ChoiceThe population of turtles is doubling every 3 months. If there are 400 turtles now, how many will there be in 2 years? (Choose equation)y = 400(2)2y = 400(2)6y = 400(2)8y = 400 + 2(8)
- 9. Multiple ChoiceA city has a population of 21,517 based on a census taken in 1998. If the population is expected to grow by 11% annually, what will the population be in the year 2030?606,900517492,573None of these
- 10. Multiple ChoiceYour 2 year investment of $5,300 earns 2.9% and is compounded annually. What will your total return be?$5,304.46$5,611.86$5,613.28$8,819.73
- 11. Multiple ChoiceJimmy Page puts $30 into a savings account that promises 1% interest compounded quarterly. Which formula would you use to determine the account balance in 25 years?y = 15(1+0.01/4)4•25y = 15e.01•25y = 15(.01)25y = 35(1+0.01)25
- 12. Multiple ChoiceRobert Plant deposits $200 into a bank account that gains 3.5% interest compounded continuously. How much money is in the account after 7 years?255.52255.25254.45a modest amount more
- 13. Multiple ChoiceJohn Bohnam died and woke up a zombie and infects 3 of his bandmates at their concert. From here on out, the amount of zombies at the stadium triple every minute for 8 minutes (everyone is now a zombie). How many zombies are there?10241968326244Who cares, they are all now Rock Zombies!!!
- 14. Multiple ChoiceWhich member of Led Zeppelin hasn't been mentioned?John Paul JonesJohn EntwistleFleaCharles Mingus
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