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#1. #2. #3. Graph by hand. #4. #5. If $5000 is invested at 9% interest, find the amount after three years if the interest is compounded (a) monthly (b) quarterly (c) continuously. If $5000 is invested at 9% interest, find the amount after three years if the interest is compounded

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#3

Graph by hand.



#5

If $5000 is invested at 9% interest, find the amount after three years if the interest is compounded

(a) monthly (b) quarterly (c) continuously.


If $5000 is invested at 9% interest, find the amount after three years if the interest is compounded

(a) monthly (b) quarterly (c) continuously.


#6 three years if the interest is compounded

Write the equation in logarithmic form:


#7 three years if the interest is compounded

Solve for x:


#8 three years if the interest is compounded

Write as a single logarithm.


#9 three years if the interest is compounded

Using your calculator and the change of base formula, evaluate .


#10 three years if the interest is compounded

Use your calculator to solve for N:


#11 three years if the interest is compounded

Graph by hand.


#12 three years if the interest is compounded

Determine the domain of


#13 three years if the interest is compounded

Graph by hand


#14 three years if the interest is compounded

True or false:


#15 three years if the interest is compounded


#16 three years if the interest is compounded

Solve for x:


#17 three years if the interest is compounded

Solve for x:


#18 three years if the interest is compounded

Six thousand dollars is deposited into a fund at an annual percentage rate of 13%. Find the time required for the investment to double if the interest is compounded continuously.


Six thousand dollars is deposited into a fund at an annual percentage rate of 13%. Find the time required for the investment to double if the interest is compounded continuously.


#19 percentage rate of 13%. Find the time required for the investment to double if the interest is compounded continuously.

Use a graphing utility to find the points of intersection of the graphs of


#20 percentage rate of 13%. Find the time required for the investment to double if the interest is compounded continuously.

Use a graphing utility to find the power model for the data (1, 1), (2, 5), (3, 8), and (4, 17) in the form .


(1, 1), (2, 5), (3, 8), and (4, 17) percentage rate of 13%. Find the time required for the investment to double if the interest is compounded continuously.


#21 percentage rate of 13%. Find the time required for the investment to double if the interest is compounded continuously.

For selected years from 1980 to 2000, the average salary y (in thousands of dollars) for public school teachers for the year t can be modeled by the equation

where t = 10 represents 1980. During which year did the average salary for public school teachers reach $40,000?


#21 percentage rate of 13%. Find the time required for the investment to double if the interest is compounded continuously.

For selected years from 1980 to 2000, the average salary y (in thousands of dollars) for public school teachers for the year t can be modeled by the equation

where t = 10 represents 1980. During which year did the average salary for public school teachers reach $40,000?


#22 percentage rate of 13%. Find the time required for the investment to double if the interest is compounded continuously.

On a college campus of 5000 students, one student returns from vacation with a contagious flu virus. The spread of the virus is modeled by

where y is the total number infected after t days. The college will cancel classes when 40% or more of the students are infected. (a) How many students are infected after 5 days? (b) After how many days will the college cancel classes?


On a college campus of 5000 students, one student returns from vacation with a contagious flu virus. The spread of the virus is modeled by

where y is the total number infected after t days. The college will cancel classes when 40% or more of the students are infected. (a) How many students are infected after 5 days? (b) After how many days will the college cancel classes?


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