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- 1. Multiple ChoiceDoes the following equation show growth or decay?
y=10,000*1.26xGrowthDecay - 2. Multiple ChoiceDoes the following equation show growth or decay?
y=10,000*(0.76)xGrowthDecay - 3. Multiple ChoiceDoes the following equation show growth or decay?
y=10,000*(1-.05)xGrowthDecay - 4. Multiple ChoiceDoes the following equation show growth or decay?
y=10,000*(1+.05)xGrowthDecay - 5. Multiple ChoiceDoes the following equation show growth or decay?
y=100*(0.85)xGrowthDecay - 6. Multiple ChoiceAdding 4 to the equation y=2(1.4)x would do what to the graph?Move it up 4Movie it down 4Move it right 4Move it left 4
- 7. Multiple ChoiceIn 1985, there were 285 cell phone subscribers in the small town of Centerville. The number of subscribers increased by 75% per year after 1985. How many cell phone subscribers were in Centerville in 1994?OVERFLOW1994100043871
- 8. Multiple ChoiceBacteria can multiply at an alarming rate when each bacteria splits into two new cells, thus doubling. If we start with only one bacteria which can double every hour, how many bacteria will we have after half of a day?1024204881924096
- 9. Multiple ChoiceEach year the local country club sponsors a tennis tournament. Play starts with 256 participants. During each round, half of the players are eliminated. How many players remain after 5 rounds?24168
- 10. Multiple ChoiceThe population of Hickory NC, can be modeled by P=6191(1.04)t where t is the number of years since 1995. What was the population in 1995?6191119951.04
- 11. Multiple ChoiceDuring normal breathing, about 12% of the air in the lungs is replaced after one breath. Write an exponential decay model for the amount of the original air left in the lungs if the initial amount of air in the lungs is 500 mL. How much of the original air is present after 24 breaths?22.2523.2524.2525.25
- 12. Multiple ChoiceAn adult takes 800 mg of ibuprofen. Each hour, the amount of ibuprofen in the person’s system decreases by about 29%. How much ibuprofen is left after 6 hours?101102103104
- 13. Multiple ChoiceYou buy a new computer for $2100. The computer decreases by 50% annually. How much is it worth after 2 years.225325425525
- 14. Multiple Choice. You drink a beverage with 120 mg of caffeine. Each hour, the caffeine in your system decreases by about 12%. How long until you have 10mg of caffeine?16171819
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