Are You Having Fun(ction)?
Am I a function?
Rate of Change and Y-intercept
Key Features of Graphs
Line of a Graph
100

This word is used to describe the set of all x values for a function.

inputs 

100

What is No, not a function?  It does not pass the vertical line test.

100

What is the rate of change in the equation, 

y=8x - 3

8

100

How many increasing intervals are on this graph?? 

1

100

What does linear mean? 

Straight line 

200

This word is used to describe the set of all y values of a function.

outputs 

200

What is Yes?

200

What is the y intercept in the equation 

y=-6x -2

-2

200

The shaded region is increasing, decreasing, or constant.


Decreasing Interval

200

What does non-linear mean? 


Not a straight line

300

This word describes a relation that pairs each x value with only one y value.

What is a function?

300

The mapping diagram shows a function or not.

What is No, not a function?

300

What is the initial value in the equation 

y= -4/3x + 2/3


2/3

300

What are the decreasing intervals of this graph? 

[-6,-4]

[-2,2]

[5,6]



300

Is this graph linear or non linear? 


Non linear 

400

What visual test can be used to determine if a graph is a function?

 Vertical Line Test?

400

Does the following table represent a function?
x      y
1      2
2      5
6      2
2      9
5      1

What is No, because the input (x) of 2 has two different outputs (y)?


400

Find the rate of change of a line that passes through (4,5) (6,11). 

3

400

What is the constant interval of this graph?

[2,5]

400

Linear or non linear? 


Non-linear

500

This word describes any set of ordered pairs or the mapping between a set of inputs and a set of outputs.

What is a Relation?

500

Is this a function and why?

What is no, because x's repeat at 8?

500


What is the initial Value (y -intercept) of a line that passes through (3,6) (6,9). 

-2 

500

What does an arrow head mean on the graph? "What do we use for the interval notation?"

infinity 

500

Do the points on the table display a linear or nonlinear relationship? 

(0,1)

(1,2)

(2,4)

(3,8)

Non-linear