Trashketball review
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Trashketball Review. Chapter 3 Exponents and Logarithms. Trashketball Review of ch 4. 1. 26. 6. 21. 11. 16. 31. 27. 22. 2. 32. 17. 12. 7. 28. 23. 13. 18. 8. 33. 3. 29. 24. 19. 14. 34. 9. 4. 30. 25. 15. 20. 35. 5. 10. 1. Solve. 5 2x = 5 9x + 7.

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Trashketball Review

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Trashketball review

Trashketball Review

Chapter 3

Exponents and Logarithms


Trashketball review of ch 4

TrashketballReview of ch 4

1

26

6

21

11

16

31

27

22

2

32

17

12

7

28

23

13

18

8

33

3

29

24

19

14

34

9

4

30

25

15

20

35

5

10


Trashketball review

1

Solve.

52x = 59x + 7

x = -1


Trashketball review

2

Solve.

x = -2, 5


Trashketball review

3

Solve.

x = 1 6


Trashketball review

4

Solve.

27x = 800

x = 1.378


Trashketball review

5

Solve.

logx 512 = 3

x = 8


Trashketball review

6

Solve.

log8 (3x - 6) = log8 (9x + 23)


Trashketball review

7

Solve.

log7 (x2 - 5) = log7 (59)


Trashketball review

8

Solve.

log9(x + 3) = log92x

x = 3


Trashketball review

9

Solve. Round to 4 decimal places.

3x = 72

x = 3.8928


Trashketball review

10

Solve. Round to 4 decimal places.

7x = 23.4

x = 1.6202


Trashketball review

11

Solve. Round to 4 decimal places.

53x = 37

x = 0.7479


Trashketball review

12

Write in logarithmic form.

82 = 64

log8 64 = 2


Trashketball review

13

Write in logarithmic form.

93 = 729

log9 729 = 3


Trashketball review

14

Solve for x.

log x = -2

10-2 = x

0.01 = x


Trashketball review

15

Solve for x.

logx 4 = 12

x = 1.122


Trashketball review

16

Write in exponential form.


Trashketball review

17

Write in exponential form.

log11 1331 = 3

113 = 1331


Trashketball review

18

Solve for x.

42x = 5x - 1

x = -1.38


Trashketball review

19

Solve for x.

42x - 5 · 4x - 14 = 0

x = 1.404


Trashketball review

20

Evaluate

-4


Trashketball review

21

Evaluate

2


Trashketball review

22

Evaluate

4


Trashketball review

23

Expand

log3 (27x)2

2(log3 27 + log3 x)

= 2log327 + 2log3x


Trashketball review

24

Expand

log x – log 9


Trashketball review

25

Express as single logarithm


Trashketball review

26

Express as single logarithm


Trashketball review

27

Evaluate. Round to 4 decimal places.

log11 52

1.6478


Trashketball review

28

Evaluate. Round to 4 decimal places.

log5 8.7

1.3441


Trashketball review

29

Evaluate. Round to 4 decimal places.

log6 21.7

1.7175


Trashketball review

30

Evaluate. Round to 4 decimal places.

log13 28.3

1.3033


Trashketball review

31

Solve

log(x+3) = 1 – log(x)

X = 2


Trashketball review

32

Solve

log(x+45) – log(x+5) = log x

X = 5


Trashketball review

33

If you invest some money at a 5.5% rate compounded continuously, how long will it take to double?

12.6 years


Trashketball review

34

You invest $1500 at a 4.9% interest rate compounded quarterly. How much will you have in 3 years?

$1735.98


Trashketball review

35

A certain city has a population of 4000 people in 1990 and 4500 people in 2000. Find an exponential function to model this population. Then predict the population in 2015.

y = 4000e.0118t

13018 people


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