Final Review #2

• 4, only

• 0 and 4

• 0 and 2, only

• -2, 0 and 2

Samantha is playing outside. The graph shows her distance, d(t), in yards from home over a period of time, t, in seconds.

What interval represents her constantly moving closer to home?

• 3 units left and 5 units up

• 3 units left and 5 units down

• 3 units right and 5 units down

• 3 units right and 5 units up

• f(x), and the value is -3

• g(x), and the value is -6

• f(x), and the value is -4

• g(x), and the value is -1

What is the range of the box plot shown below?

• 7

• 6

• 10

• 12

The data obtained from a random sample of athletes showed that as their foot size of the athlete decreased, the average running speed decreased. Which statement is best supported by the data?

• Smaller foot sizes cause track athletes to run slower.

• The sample of track athletes shows a casual relationship.

• The sample of track athletes shows a correlation between the two.

• There is no correlation between the two.

Which domain would be the most appropriate to use for a function that compares the number of test messages sent (x) to the amount of data use for a cell phone plan (y)?

• integers

• whole numbers

• rational numbers

• irrational numbers

• 0.5

• 2

• 3

• 4

• 14

• -6

• -14

• -2