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1
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The height,  , of a bouncing ball after x bounces is
represented by  . How many times higher is the first
bounce than the fourth bounce?
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2
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A population,  , of wild turkeys in a certain area is represented
by the function  , where x is the number of years since
2010. How many more turkeys will be in the population for the year 2015 than 2010?
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3
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If $5000 is invested at a rate of 3% interest compounded quarterly, what is the
value of the investment in 5 years? (Use the formula  , where A is the amount
accrued, P is the principal, r is the interest rate, n is the number of times
per year the money is compounded, and t is the length of time, in years.) a) | $5190.33 | c) | $5805.92 | b) | $5796.37 | d) | $5808.08 |
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4
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Yusef deposits $50 into a savings account that pays 3.25% interest compounded
quarterly. The amount, A, in his account can be determined by the formula  , where P is the initial amount invested, r is the interest rate, n
is the number of times per year the money is compounded, and t is the number of years for
which the money is invested. What will his investment be worth in 12 years if he makes no other
deposits or withdrawals? a) | $55.10 | c) | $232.11 | b) | $73.73 | d) | $619.74 |
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5
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The formula to determine continuously compounded interest is  ,
where A is the amount of money in the account, P is the initial investment, r is
the interest rate, and t is the time, in years. Which equation could be used to
determine the value of an account with an $18,000 initial investment, at an interest rate of 1.25%
for 24 months?
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6
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The amount of money in an account can be determined by the formula  , where P is the initial investment, r is the annual interest rate, and
t is the number of years the money was invested. What is the value of a $5000 investment
after 18 years, if it was invested at 4% interest compounded continuously? a) | $9367.30 | c) | $10,129.08 | b) | $9869.39 | d) | $10,272.17 |
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