SOLUTION: 1. Identify the equation that represents the function in the following graph. 1. y = (1/2)x 2. y = (1/2)(x + 1) 3. y = 2x 4. y = 2(

Question 467322: 1. Identify the equation that represents the function in the following graph.

1. y = (1/2)x
2. y = (1/2)(x + 1)
3. y = 2x
4. y = 2(x � 1)

2. Solve the equation 3x = 3(3x + 1).
1. 1/3
2. �1/3
3. 1/2
4. �1/2

3. Solve the equation 2(2x � 1) = 8(x + 7).
1. �22
2. 22
3. �8
4. 8

4. Solve the equation (1/3)x = 3(x � 6).
1. �3
2. 0
3. 3
4. undefined

5. Write the equation 73 = 343 in logarithmic form.
1. log3 343 = 7
2. log7 343 = 3
3. log3 7 = 343
4. log7 3 = 343

6. Write the equation log6 (1/36) = �2 in exponential form.
1. �2(1/36) = 6
2. (1/36)(�2) = 6
3. 6�2 = 1/36
4. �26 = 1/36

7. Evaluate the expression log12 122.
1. 0
2. 1
3. �1
4. 2

8. Solve the equation logb 9 = 2.
1. 0
2. 3
3. 6
4. 7

9. Solve the equation log3 (3x � 6) = log3 (2x + 1).
1. �1
2. 1
3. 3
4. 7

10. Evaluate the expression 10(log 12 � log 4).
1. 2
2. 3
3. 4
4. 8

11. Solve the equation log3 14 + log3 x = log3 42.
1. 3
2. 11
3. 20
4. 28

12. Solve the equation 3log5 x � log5 4 = log5 16.
1. 4
2. 8
3. 12
4. 16

13. Solve the equation (1/3)log7 64 + (1/2)log7 121 = log7 x.
1. 7
2. 15
3. 19
4. 44

14. Find log2 15 given that log2 5 = 2.322 and log2 3 = 1.585.
1. .737
2. 1.465
3. 3.680
4. 3.907

15. Find log3 25 given that log3 5 = 1.465.
1. 2.930
2. 2.146
3. 1.398
4. not enough information

16. If log .5 = �.3010, what is the mantissa of log .5?
1. 0
2. 1
3. .3010
4. .6990

17. If log 50 = 1.6990, what is the characteristic of log 50?
1. 0
2. 1
3. .3010
4. .6990

18. Find the logarithm of 1500. Round the answer to four decimal places.
1. 3.1761
2. .1761
3. .1761 � 3
4. 1761

19. Find the antilogarithm of 3. Round the answer to four decimal places.
1. 20.0855
2. 1.0986
3. .4771
4. 1000

20. Evaluate the expression ln 2.5. Round the answer to four decimal places.
1. .3987
2. .9163
3. 12.1825
4. 316.2278

21. Solve the equation 100e .75x = 500. Round the answer to four decimal places.
1. 2.1458
2. 3.1266
3. 4.2134
4. 5.5945

22. Evaluate the expression ln e.
1. .9933
2. 1
3. 10
4. 100

23. Solve the equation 6x = 72. Round the answer to four decimal places.
1. 1.0792
2. 2.1325
3. 2.2146
4. 2.3869

24. Solve the equation 6(3x + 1) = 8. Round the answer to four decimal places.
1. .0021
2. .0535
3. .0721
4. .0839

25. Solve the equation 7^(x � 2) = 5x. Round the answer to four decimal places.
1. 8.3219
2. 9.6253
3. 10.1263
4. 11.5665

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1. Identify the equation that represents the function in the following graph.

1. y = (1/2)x
2. y = (1/2)(x + 1)
3. y = 2x
4. y = 2(x � 1)
No graph is shown.
--------------------------
2. Solve the equation 3x = 3(3x + 1)
3x = 9x + 3
-6x = 3
x = -1/2
-----------------
1. 1/3
2. �1/3
3. 1/2
4. �1/2
-----------------
No one is going to do 25 problems for you.
Post them again with your efforts, and we'll check your work.

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