Representing and Interpreting Functions

The table shows a relationship between x and y. What is the y-intercept in this relationship? ____

*Remember your y -intercept is the y-coordinate when your x is zero.

• -1

• 7

• -7

• 2

The graph shows the water temperature as a function of time. Based on the graph, determine whether the statement is true or false.

The water temperature is increasing between 1 hour and 2 hour.

• True

• False

What is occurring at the point (8,0)?

• The paper plane is 8 feet in the air to start

•  The paper plane is 0 feet in the air after 8 seconds

•  The paper plane has just been thrown

A research group tracked the time it took 3 companies to get their first 120 customers.

The graph shows the results for Red company, blue company, and green company.

The domain for green company is:

• 0 < x < 15

• 0 < x < 60

• 0 < x < 80

• 0 < x < 120

The table shows the linear relationship between the height in feet of a pecan tree and the number of years since the tree was planted.

What is the rate of change of the height in feet of the pecan tree with respect to the number of years since the tree was planted?

• 3 ft/yr

• 6 ft/yr

• 4 ft/yr

• 9 ft/yr

Tags

A.3B

What is the Y intercept of this table

• (2,0)

• (1,-2)

• (3,2)

• (0,-4)

What is happening in the graph between 30 and 40 minutes?

• Sarah is accelerating

• Sarah is not moving

• Sarah is slowing down

• Sarah is travelling at a constant speed

Given the graph of f(x), what does f(6) = 30 mean in context?

• When 6 books are sold, the store makes $30

• When 30 books are sold, the store makes $6

• When 6 books are sold, the store makes $36

• The store makes $5 per book.

The cost for renting a car is related to the number of miles it is driven. Based on the given graph, what would the cost of renting a car be if the person drove it 180 miles?

• $35

• $40

• $45

• $50

What happened on this graph from 0 to 7 seconds?

• The helicopter moved up.

• The helicopter stayed at the launching pad.

• The helicopter moved down.

• You can't tell from this graph.