Features of Functions Exit Ticket

If a function is defined by the formula y = 2x + 1 and the domain is given by the set {3, 5, 7, 9} then which set below represents the range of the function?

• {1, 2, 3, 4}

• {7,11,15,19}

• {2, 4, 6, 8}

• {10,15, 20, 25}

The set of ordered pairs {(-2,7),(3,6),(5,2),(9,-1)} defines y as a function of x. Which of the following values is NOT in the domain of this function?

• 9

• 5

• 6

• -2

Given the function shown in the graph below, over which of the following interval is the function only increasing?

• from x = 3 to x = 7

• from x = -1 to x = 5

• from x = -3 to x = 7

• from x = -3 to x = 3

The function shown has a turning point at which of the following coordinates?

• (3, 7)

• (7, 3)

• (-3, -2)

• (0, 5)

State the minimum(y) value of this function.

• y = -7

• y = 4

• y = -6

• y = 0

State the maximum(y) value of this function

• y = 4

• y = -2

• y = 9

• y = 0

From x = -3 to x = 2 is the function increasing or decreasing?

• Increasing

• Decreasing

• Both

• Neither

A car company is testing the acceleration and breaking of a new model of its car. The graph below shows the speed of the car (in miles per hour) as a function of the times it has been driving (in seconds). Is the speed of the car increasing or decreasing from 0 to 6 seconds?

• increasing

• decreasing

• both

• neither

A car company is testing the acceleration and breaking of a new model of its car. The graph below shows the speed of the car (in miles per hour) as a function of the times it has been driving (in seconds). What is the maximum speed the car reaches?

• 70 miles per hour

• 75 miles per hour

• 6 miles per hour

• 14 miles per hour

A car company is testing the acceleration and breaking of a new model of its car. The graph below shows the speed of the car (in miles per hour) as a function of the times it has been driving (in seconds). What does the x-coordinate of the turning point of this function represent in the context of the problem?

• The minimum speed of the car.

• The amount of time the car is driving before it reaches it's maximum speed.

• The maximum speed of the car.

• The average speed of the car.