1073287
Pregunta 1
Pregunta
A relation associates five foods to the food groups to which they belong:
{ (orange, fruit), (cheese, dairy) (broccoli, vegetable) (milk, dairy) (kiwi, fruit) } Which statement is true?
Respuesta
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Vegetable is an element in the domain.
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Orange is an element in the domain.
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This relation is not a function.
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Kiwi is an element in the range.
Pregunta 2
Pregunta
The equation M = 4.4n, relates the number of quarters, n, to its mass, M, in grams. What is the independent variable?
Respuesta
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The mass of the quarters.
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The value of the quarters.
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The number of quarters.
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Each quarter weighs 4.4 grams.
Pregunta 3
Pregunta
The height of a plane is a function of the time since take off. Identify the dependent variable?
Respuesta
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height
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speed
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time
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acceleration
Pregunta 4
Pregunta
Which set of ordered pairs represents a function?
Respuesta
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{ (1,1) (1,– 1) ( 4, 2) (4, –2) (9, 3) }
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{ (3, 4) (3, 5) (3, 6) (3, 7) (3, 8) }
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{ (2, 4) (3, 4) (4, 4,) (5, 4) (6,4) }
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{ (1, 2) (2, 3) (3,4) (4,5) (4, 6) }
Pregunta 5
Respuesta
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. ( – 4, 4)
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[– 4, 4)
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(– 4, 4]
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[– 4, 4]
Pregunta 6
Pregunta
The cost, C, in dollars, of renting a hall for the prom is given by the formula C(n) = 500 + 4n, where n is the number of students attending the prom. Calculate the cost of renting the hall if 70 students attend.
Respuesta
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$108
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$500
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$780
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$970
Pregunta 7
Pregunta
Hannah went for a run. The graph below shows her distance from home in km versus the time in minutes she was running for. Which of the following statements is correct?
Image:
p1 (image/jpg)
Respuesta
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She ran the entire time.
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She went 1.5 km in the first 10 minutes
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She took a break after 20 minutes
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She headed home after 20 minutes.
Pregunta 8
Respuesta
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III only
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I and III only
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II and IV only
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I, II, and IV only
Pregunta 9
Respuesta
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Image:p5 (image/jpg)
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Image:p6 (image/jpg)
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Image:p7 (image/jpg)
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Image:p8 (image/jpg)
Pregunta 10
Respuesta
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3
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2
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1
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0
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