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Graph by hand.

#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.

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  1. #1

  2. #2

  3. #3 Graph by hand.

  4. #4

  5. #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.

  6. If $5000 is invested at 9% interest, find the amount after three years if the interest is compounded (a) monthly (b) quarterly (c) continuously.

  7. #6 Write the equation in logarithmic form:

  8. #7 Solve for x:

  9. #8 Write as a single logarithm.

  10. #9 Using your calculator and the change of base formula, evaluate .

  11. #10 Use your calculator to solve for N:

  12. #11 Graph by hand.

  13. #12 Determine the domain of

  14. #13 Graph by hand

  15. #14 True or false:

  16. #15

  17. #16 Solve for x:

  18. #17 Solve for x:

  19. #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.

  20. 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.

  21. #19 Use a graphing utility to find the points of intersection of the graphs of

  22. #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 .

  23. (1, 1), (2, 5), (3, 8), and (4, 17)

  24. #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?

  25. #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?

  26. #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?

  27. 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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