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If you have the following function f ( x ) = 2 x + 7, compute f (0) , f (-4) , f (5) , f (-9) .


A) f (0) = 10, f (-4) = -3, f (5) = 20, f (-9) = -13
B) f (0) = 7, f (-4) = -1, f (5) = 17, f (-9) = -11
C) f (0) = 6, f (-4) = -0, f (5) = 16, f (-9) = -10
D) f (0) = 8, f (-4) = -2, f (5) = 18, f (-9) = -12
E) f (0) = -7, f (-4) = 1, f (5) = - 17, f (-9) = 11

Correct Answer

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For a fixed rate and principal, the interest earned in a bank account paying simple interest varies directly with the length of time the principal is left on deposit. If an investment of $7,000 earns $700 in 2 years, how much will it earn in 8 years?


A) $2,700
B) $2,850
C) $2,750
D) $2,900
E) $2,800

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The equation The equation can be used to convert from degrees in Celsius to degrees in Fahrenheit. Identify the graph of the equation. A) B) C) D) E) can be used to convert from degrees in Celsius to degrees in Fahrenheit. Identify the graph of the equation.


A) The equation can be used to convert from degrees in Celsius to degrees in Fahrenheit. Identify the graph of the equation. A) B) C) D) E)
B) The equation can be used to convert from degrees in Celsius to degrees in Fahrenheit. Identify the graph of the equation. A) B) C) D) E)
C) The equation can be used to convert from degrees in Celsius to degrees in Fahrenheit. Identify the graph of the equation. A) B) C) D) E)
D) The equation can be used to convert from degrees in Celsius to degrees in Fahrenheit. Identify the graph of the equation. A) B) C) D) E)
E) The equation can be used to convert from degrees in Celsius to degrees in Fahrenheit. Identify the graph of the equation. A) B) C) D) E)

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Find the equation of the line that contains the given point and has the given slope. Find the equation of the line that contains the given point and has the given slope. A) B) C) D) E)


A) Find the equation of the line that contains the given point and has the given slope. A) B) C) D) E)
B) Find the equation of the line that contains the given point and has the given slope. A) B) C) D) E)
C) Find the equation of the line that contains the given point and has the given slope. A) B) C) D) E)
D) Find the equation of the line that contains the given point and has the given slope. A) B) C) D) E)
E) Find the equation of the line that contains the given point and has the given slope. A) B) C) D) E)

Correct Answer

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Graph the linear equation. Graph the linear equation. A) B) C) D) E)


A) Graph the linear equation. A) B) C) D) E)
B) Graph the linear equation. A) B) C) D) E)
C) Graph the linear equation. A) B) C) D) E)
D) Graph the linear equation. A) B) C) D) E)
E) Graph the linear equation. A) B) C) D) E)

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If the ratio of rise to run is to be If the ratio of rise to run is to be for some stairs and the measure of the run is 29 centimeters, find the measure of the rise to the nearest centimeter. A) 160 cm B) 4 cm C) 5 cm D) 15 cm E) 20 cm for some stairs and the measure of the run is 29 centimeters, find the measure of the rise to the nearest centimeter.


A) 160 cm
B) 4 cm
C) 5 cm
D) 15 cm
E) 20 cm

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Tell whether the equation determines y to be a function of x . Tell whether the equation determines y to be a function of x . A) no B) yes


A) no
B) yes

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Tell whether the lines with the given slopes are parallel, perpendicular, or neither. Tell whether the lines with the given slopes are parallel, perpendicular, or neither. A) perpendicular B) parallel C) neither


A) perpendicular
B) parallel
C) neither

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Graph the equation. Graph the equation. A) B) C) D) E)


A) Graph the equation. A) B) C) D) E)
B) Graph the equation. A) B) C) D) E)
C) Graph the equation. A) B) C) D) E)
D) Graph the equation. A) B) C) D) E)
E) Graph the equation. A) B) C) D) E)

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Find the equation of the line that contains the given point and has the given slope. Find the equation of the line that contains the given point and has the given slope. A) x = 8 B) y = 8 C) x = -4 D) y = -4 E) y = -8


A) x = 8
B) y = 8
C) x = -4
D) y = -4
E) y = -8

Correct Answer

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Find the equation of the line that contains the given point and has the given slope. Express equation in the form Find the equation of the line that contains the given point and has the given slope. Express equation in the form , where A , B , and C are integers. , where A , B , and C are integers. Find the equation of the line that contains the given point and has the given slope. Express equation in the form , where A , B , and C are integers.

Correct Answer

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The graph shown gives the first-class postage rates in the year 1999 for mailing items weighing up to 5 ounces. According to the graph, which of the statements is incorrect? Weight (oz) and Postage Rate (cents) The graph shown gives the first-class postage rates in the year 1999 for mailing items weighing up to 5 ounces. According to the graph, which of the statements is incorrect? Weight (oz) and Postage Rate (cents) A) The postage cost for mailing a 2-ounce letter is 55 cents . B) The heaviest letter that could be mailed for 80 cents first class weighs 2 ounces. C) The postage cost for mailing a 1-ounce letter is 33 cents. D) The difference in postage for a 3.16-ounce letter and a 4.37-ounce letter is 20 cents . E) The postage cost for mailing a 4-ounce letter is $1.00.


A) The postage cost for mailing a 2-ounce letter is 55 cents The graph shown gives the first-class postage rates in the year 1999 for mailing items weighing up to 5 ounces. According to the graph, which of the statements is incorrect? Weight (oz) and Postage Rate (cents) A) The postage cost for mailing a 2-ounce letter is 55 cents . B) The heaviest letter that could be mailed for 80 cents first class weighs 2 ounces. C) The postage cost for mailing a 1-ounce letter is 33 cents. D) The difference in postage for a 3.16-ounce letter and a 4.37-ounce letter is 20 cents . E) The postage cost for mailing a 4-ounce letter is $1.00. .
B) The heaviest letter that could be mailed for 80 cents first class weighs 2 ounces.
C) The postage cost for mailing a 1-ounce letter is 33 cents.
D) The difference in postage for a 3.16-ounce letter and a 4.37-ounce letter is 20 cents The graph shown gives the first-class postage rates in the year 1999 for mailing items weighing up to 5 ounces. According to the graph, which of the statements is incorrect? Weight (oz) and Postage Rate (cents) A) The postage cost for mailing a 2-ounce letter is 55 cents . B) The heaviest letter that could be mailed for 80 cents first class weighs 2 ounces. C) The postage cost for mailing a 1-ounce letter is 33 cents. D) The difference in postage for a 3.16-ounce letter and a 4.37-ounce letter is 20 cents . E) The postage cost for mailing a 4-ounce letter is $1.00. .
E) The postage cost for mailing a 4-ounce letter is $1.00.

Correct Answer

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The graph below gives the heart rate of a woman before, during, and after an aerobic workout. Use the graph to answer the question. The graph below gives the heart rate of a woman before, during, and after an aerobic workout. Use the graph to answer the question. What was her heart rate before beginning the workout? __________ beats/min What was her heart rate before beginning the workout? __________ beats/min

Correct Answer

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Graph the function and find its domain and range. Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range:


A) Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range: domain: Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range: ; range: Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range:
B) Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range: domain: Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range: ; range: Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range:
C) Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range: domain: Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range: ; range: Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range:
D) Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range: domain: Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range: ; range: Graph the function and find its domain and range. A) domain: ; range: B) domain: ; range: C) domain: ; range: D) domain: ; range:

Correct Answer

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Since 1990, when the average monthly price for basic cable TV programming in one country was $15.91, the cost has risen by about $1.22 a year. Write an equation in slope-intercept form to predict cable TV costs in the future. Use t to represent time in years after 1990 and C to represent the average basic monthly cost.


A) Since 1990, when the average monthly price for basic cable TV programming in one country was $15.91, the cost has risen by about $1.22 a year. Write an equation in slope-intercept form to predict cable TV costs in the future. Use t to represent time in years after 1990 and C to represent the average basic monthly cost. A) B) C) D) E)
B) Since 1990, when the average monthly price for basic cable TV programming in one country was $15.91, the cost has risen by about $1.22 a year. Write an equation in slope-intercept form to predict cable TV costs in the future. Use t to represent time in years after 1990 and C to represent the average basic monthly cost. A) B) C) D) E)
C) Since 1990, when the average monthly price for basic cable TV programming in one country was $15.91, the cost has risen by about $1.22 a year. Write an equation in slope-intercept form to predict cable TV costs in the future. Use t to represent time in years after 1990 and C to represent the average basic monthly cost. A) B) C) D) E)
D) Since 1990, when the average monthly price for basic cable TV programming in one country was $15.91, the cost has risen by about $1.22 a year. Write an equation in slope-intercept form to predict cable TV costs in the future. Use t to represent time in years after 1990 and C to represent the average basic monthly cost. A) B) C) D) E)
E) Since 1990, when the average monthly price for basic cable TV programming in one country was $15.91, the cost has risen by about $1.22 a year. Write an equation in slope-intercept form to predict cable TV costs in the future. Use t to represent time in years after 1990 and C to represent the average basic monthly cost. A) B) C) D) E)

Correct Answer

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B

Find the equation of the line that contains the two given points. Find the equation of the line that contains the two given points. A) 3 y + 7 x = -26 B) 7 x - 3 y = -26 C) 3 y - 7 x = -26 D) 3 y - 7 x = 44 E) 3 y + 7 x = 44


A) 3 y + 7 x = -26
B) 7 x - 3 y = -26
C) 3 y - 7 x = -26
D) 3 y - 7 x = 44
E) 3 y + 7 x = 44

Correct Answer

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C

Graph the function and find its domain and range. f ( x ) = | x | - 2


A) Graph the function and find its domain and range. f ( x ) = | x | - 2 A) D = (-∞, ∞) , R = (-2, ∞) B) D = (-∞, ∞) , R = (-∞, ∞) C) D = (-∞, ∞) , R = (-∞, -2) D) D = (-∞, ∞) , R = (-∞, 2) D = (-∞, ∞) , R = (-2, ∞)
B) Graph the function and find its domain and range. f ( x ) = | x | - 2 A) D = (-∞, ∞) , R = (-2, ∞) B) D = (-∞, ∞) , R = (-∞, ∞) C) D = (-∞, ∞) , R = (-∞, -2) D) D = (-∞, ∞) , R = (-∞, 2) D = (-∞, ∞) , R = (-∞, ∞)
C) Graph the function and find its domain and range. f ( x ) = | x | - 2 A) D = (-∞, ∞) , R = (-2, ∞) B) D = (-∞, ∞) , R = (-∞, ∞) C) D = (-∞, ∞) , R = (-∞, -2) D) D = (-∞, ∞) , R = (-∞, 2) D = (-∞, ∞) , R = (-∞, -2)
D) Graph the function and find its domain and range. f ( x ) = | x | - 2 A) D = (-∞, ∞) , R = (-2, ∞) B) D = (-∞, ∞) , R = (-∞, ∞) C) D = (-∞, ∞) , R = (-∞, -2) D) D = (-∞, ∞) , R = (-∞, 2) D = (-∞, ∞) , R = (-∞, 2)

Correct Answer

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Specify the range for the relation. {(3, 2) , (5, 7) , (13, 10) , (16, 19) }


A) R = {3, 5, 13, 16}
B) R = {2, 19}
C) R = {2, 7, 10, 19}
D) R = {3, 5, 13, 16, 2, 7, 10, 19}
E) R = {3, 16}

Correct Answer

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C

Use point-slope form to write an equation of the given line. Solve each equation for Use point-slope form to write an equation of the given line. Solve each equation for . A) B) C) D) . Use point-slope form to write an equation of the given line. Solve each equation for . A) B) C) D)


A) Use point-slope form to write an equation of the given line. Solve each equation for . A) B) C) D)
B) Use point-slope form to write an equation of the given line. Solve each equation for . A) B) C) D)
C) Use point-slope form to write an equation of the given line. Solve each equation for . A) B) C) D)
D) Use point-slope form to write an equation of the given line. Solve each equation for . A) B) C) D)

Correct Answer

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Find the slope m and the y -intercept of the line y = -3.575 + 3.7182 x


A) m = 3.7182, y int = -3.575
B) m = -3.575; y int = 3.7182
C) m = -3.7182, y int = -3.575
D) m = 3.7182, y int = 0

Correct Answer

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