Please help me with this questions, i tried doing it by myself but they are too hard. so pleasssssssssssssssssssssssssssssssssseeee help me.

1. Shown here is the graph of which of the following equations?

A. y = x 3 C. y = x 3

B. y = 3 x D. y = x + 3

2. Which of the following relationships is a function?

A. Domain Range

3 2

4 1

7

C. Domain Range

13 0

2 4

−1

B. y2 = x2 3x + 4 D. y2 = 2x2

3. Which of the equations below describes the graph shown here?

A. y = x 2 C. y = x + 2

B. y = x + 2 D. y = x 2

4. Joe works for a temporary employment agency that pays him $25 per

week plus his regular

wages, if he works a 40-hour week. If Joe works 40 hours on an

assignment that pays $11.00

an hour, how much does he make for the week?

A. $440 C. $415

B. $465 D. $1440

5. Suppose a family starts out 50 miles from home at time t = 0. They

travel away from home at a

constant speed of 45 miles an hour. Whats the equation that tells

you how far theyll be from

home t hours later? (Assume d is distance in miles.)

A. d = 50t C. d = 50t + 45

B. d = 45t D. d = 45t + 50

6. Fifty people own 4,000 books. What is the ratio of people to books?

A. 1 : 80 C. 40 : 1

B. 80 : 1 D. 1 : 40

7. If 30 cents out of every 1 dollar goes to taxes, and the rest is net

income, what is the ratio of

taxes to net income?

A. 3 : 10 C. 3 : 7

B. 30 : 1 D. 30 : 7

8. In a fast-food restaurant, the ratio of people eating hamburgers to

people eating chicken is

4 : 3. There are 84 people in the restaurant. How many people are

eating hamburgers and

how many are eating chicken?

A. Twelve people are eating hamburgers; 72 people are eating chicken.

B. Twenty-one people are eating hamburgers; 63 people are eating

chicken.

C. Thirty-six people are eating hamburgers; 48 people are eating

chicken.

D. Forty-eight people are eating hamburgers; 36 people are eating

chicken.

9. Solve the following equation: 6⁄11 = 114⁄n.

A. n = 111 C. n = 209

B. n = 119 D. n = 684

10. Suppose three out of every five people said they would prefer a

television set to a stereo system.

If we surveyed 5,000 people, how many would prefer a television set?

A. 1,875 C. 3,125

B. 3,000 D. 5,000

11. If the triangles in the following figure are proportional, what is

the length of side b?

A. 32.4 C. 40

B. 36 D. 45

12. At a constant speed of 55 mph, the distance traveled is directly

proportional to the time of

travel, d = 55t.

If a car travels at 55 mph for 3 hours, how far does it go?

A. 165 miles C. 275 miles

B. 192.5 miles D. 550 miles

13. The amount of sales tax charged is proportional to the value of the

item bought. If the tax on a

$110.00 item is $8.50, what is the tax on a $150.00 item?

A. $9.50 C. $11.50

B. $10.00 D. $11.59

14. What is log10100?

A. 1 C. 3

B. 2 D. 4

15. Solve log 1/100 = log(10x + 2).

A. x = 4 C. x = 2

B. x = 0 D. x = 4

16. Solve y = log3243.

A. y = 0 C. y = 5

B. y = 3 D. y = 243

17. Solve log2 8 + log232.

A. log240 C. 2 log210

B. 2 D. 8

18. Solve log660 log630.

A. log630 C. log62

B. 5 D. 2

19. Find the value of log10 6.85 to the nearest ten thousandth using

the table on page 71.

A. .8293 C. .8357

B. .8325 D. .8388

20. Solve the following equation for x: 64 = 23x.

A. x = 1 C. x = 2.5

B. x = 2 D. x = 3

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