Recognize Functions from Tables and Graphs

Which of the following situations corresponds to this graph?

• A car, accelerates from a stop,travels at a constant speed, slows,
  and then travels at a slower speed.

• An airplane travels at a constant
  speed then decelerates to a slower speed.

• An athlete warms up by walking
  around the track, runs, then jogs.

• A bicyclist accelerates, travels at a
  constant speed, then slows to a
  stop.

Which equation is graphed?

• y = x + 2

• y = x - 2

Is this mapping a function or not a function? 

• Function

• Not a Function

Is this graph a function or not a function? 

• Function 

• Not a Function 

This graph represents which function?

• y = -2x

• y = 2x

• y = -2x + 1

• y = 2x - 1

Complete the function table for y = -2x + 1.

• -2(2) + 1; -2

• -2(2) + 1; -3

• -2(2) + 1; -1

• -2(2) + 1; 0

The table shows the amount of money Anisha is paid for working different numbers of hours.  What would be Anisha's total pay if she works for 24 hours in a week?

• $170

• $168

• $175

• $180

Is the relation a function?

• yes, it is a function

• no, it is not a function

• not enough information to determine

Find the rate of change

• 1

• 2

• 11

• Not a constant slope/Non-Linear

Does this relation represent a function?
(1,5), (1,6), (1,7), (1,8), (1,9)

• Yes

• No