|
|
 Why isn't the set of ordered pairs { (2, 4), (4, 3), (1, 3), (2, 1) } a function?
|
|
|
 There is no formula given for the function. |
 Each x does not have a unique y. |
 Each y does not have a unique x. |
 The numbers are NOT in order. |
|
 Function, Ordered Pairs |
|
 After plotting the data, what type of correlation is there between the areas of the 5 largest lakes in North America and their maximum depths?
|
Lake
|
Area (sq. mi.)
|
Depth (ft)
|
|
Superior
|
31,700
|
1,330
|
|
Huron
|
23,000
|
750
|
|
Michigan
|
22,300
|
923
|
|
Great Bear
|
12,096
|
1,463
|
|
Great Slave
|
11,031
|
2,015
|
Data source: US Geological Survey
|
 |
|
|
|
| Strong, positive correlation |
| Strong, negative correlation |
| Weak, positive correlation |
| Weak, negative correlation |
|
|
|
