10 Questions
| Attempts: 744

Questions and Answers

- 1.Which relation is not a function
- A.
Diagram A

- B.
Diagram B

- C.
Diagram C

- D.
Diagram D

- 2.Which scenario represents a function
- A.
The number of chairs and the length of a conference presentation

- B.
The number of growth rings and the age of a tree

- C.
The style and manufacture dates of soccer cleats

- D.
The make/model of a vehicle and its color

- 3.What is the range of the function? g = {(1,1),(2,5),(3,4),(6,7)}
- A.
R = {1, 5, 4, 7}

- B.
R = {1, 2, 3, 6}

- C.
R = {1, 2, 3, 4, 5, 6, 7}

- D.
R = {2, 5, 4, 7}

- 4.Temperature and elevation are related. The average temperature at the summit of Mount Everest in July is 19 Celsius. The average Temperature at the Khumbo Glacier Base Camp in July is –3 Celsius. Which is the dependent variable?
- A.
Temperature

- B.
Location

- C.
Elevation

- D.
Mountain

- 5.What is the domain of the relation shown by the graph?
- A.
D = {x € R | x > 0}

- B.
D = {x € R }

- C.
D = {x € I | x ≠ 0}

- D.
D = {x € R | x ≠ 0}

- 6.This table shows the relation between the number of hours studied and the grade earned on the science test. Which shows the domain and range of the relation?
- A.
D = {x € R | x > 0} R = {y € R | 60

- B.
D = {0,1, 2, 3, 4, 5} R = {60, 72, 75, 81, 88, 92}

- C.
D = {x € I | x => 0} R = {x € I | x => 62}

- D.
D = {60, 72, 75, 81, 88, 92}R = {0,1, 2, 3, 4, 5}

- 7.For which pair of related quantities would time be the independent variable?
- A.
Grade, time spent on project

- B.
Length of race, finish time

- C.
Flight time, rainfall

- D.
Distance to work, commute time

- 8.Which relation is a function?
- A.
Diagram a

- B.
Diagram b

- C.
Diagram c

- D.
Diagram d

- 9.This table shows the relation between the number of candy bars purchases and the total priceWrite the relation as a set of ordered pairs.
- A.
{2, 11, 6, 5} {2.98, 16.39, 8.94, 7.45}

- B.
(2.98, 2), (16.39, 11), (8.94, 6), (7.45, 5)

- C.
{x | 2

- D.
(2, 2.98), (11, 16.39), (6, 8.94), (5, 7.45)

- 10.Is the relation a function? Explain.
- A.
Yes, it passes the vertical line test

- B.
No, it does not pass the vertical line test

- C.
Yes, it is a parabola

- D.
No, it has negative y-values

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