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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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Graph by hand

#1


Graph by hand

#2


Graph by hand

#3

Graph by hand.


Graph by hand

#4


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.


Graph by hand

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

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


Graph by hand

#6

Write the equation in logarithmic form:


Graph by hand

#7

Solve for x:


Graph by hand

#8

Write as a single logarithm.


Graph by hand

#9

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


Graph by hand

#10

Use your calculator to solve for N:


Graph by hand

#11

Graph by hand.


Graph by hand

#12

Determine the domain of


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#13

Graph by hand


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#14

True or false:


Graph by hand

#15


Graph by hand

#16

Solve for x:


Graph by hand

#17

Solve for x:


Graph by hand

#18

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.


Graph by hand

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.


Graph by hand

#19

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


Graph by hand

#20

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


Graph by hand

(1, 1), (2, 5), (3, 8), and (4, 17)


Graph by hand

#21

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?


Graph by hand

#21

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?


Graph by hand

#22

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?


Graph by hand

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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