10 Questions
| Total Attempts: 412

Questions and Answers

- 1.Given , find C(2) and C(-4).
- A.
0 and -24

- B.
16 and 40

- C.
0 and 40

- D.
-16 and -24

- 2.Graph on your graphing calculator and then give the domain and range.
- A.
D: [-2, 2] R: (-infinity, 6]

- B.
D: (-infinity, infinity) R: (-infinity, 6]

- C.
D: (-infinity, infinity) R: [6, infinity)

- D.
D: (-infinity, infinity) R: (-infinity, 6)

- 3.Find the slope through the points (4, -2) and (-1, 6).
- A.
-5/8

- B.
8/5

- C.
-8/5

- D.
-3

- 4.Find the slope of the linear equation:
- A.
2

- B.
-1/2

- C.
-6

- D.
-2

- 5.Write the equation of the line given slope of 5 and y-intercept of -2.
- A.
Y = 5x - 2

- B.
Y = -2x + 5

- C.
Y = 5x + 2

- D.
5x - 2y = 3

- 6.Write the equation of a line with slope and through the point (9, -3).
- A.
Y = 2/3 x - 6

- B.
Y = 2/3 x - 9

- C.
Y = 2/3 x - 3

- D.
Y = 2/3 x + 3

- 7.Write the equation of the line through the point (-1, 5) and perpendicular to the line 4x + y = 6.
- A.
Y = 1/4 x + 6

- B.
Y = -4x + 1

- C.
Y = 1/4 x + 21/4

- D.
Y = -1/4 x + 19/4

- 8.Personal Savings Using data from 1960 to 2009, th personal savings rate (as a percent of disposable income) of Americans can be modeled by the function where x is the number of years after 1960. Use the model to estimate the personal savings rate in 2013 to the nearest tenth.
- A.
574%

- B.
3670265.7%

- C.
5.2%

- D.
5.7%

- 9.Cable Bill A cable complany charges and flat monthly fee of $95 for basic channels and an additional $7 for each premium channel. Write an equation to model the cable company's monthly fees.
- A.
Y = 7x + 95

- B.
Y = 95x + 7

- C.
Y = 102x

- D.
Y = 7x

- 10.Blood Alcohol Percent Using the table on pg 72 #49, what does f(4) equal? Tell what this represents in this situation.
- A.
F(4) = 0.18; With 4 drinks there is a blood alcohol percent of 0.18.

- B.
F(4) = 0.18; When a 100 pound woman has 4 alcoholic beverages, she has a blood alcohol percent of 0.18.

- C.
F(4) = 0.18; With 4 alcoholic drinks a person will have a blood alcohol percent of 0.18.

- D.
F(4) = 0.18; The average rate of change in blood alcohol percent is 0.18 for a 100 pound woman who has 4 alcoholic drinks.

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