Are You Having Fun(ction)?
Am I a function?
What's my function?
Key Features of Graphs
Domain & Range
Miscellaneous
100
This word is used to describe the set of all inputs for a function.
What is the domain?
100
What is No, not a function? It does not pass the vertical line test.
100
f(-3) if f(x) = 2x +1
What it -5 ?
100
What is the maximum y value for the graph?
6
100
Find the DOMAIN:
{(-2, 4), (3, 2), (2, 10)}
What is {-2, 3, 2}?
100
In the given equation, write an equation for a line parallel to this line.
y = -1/3x + 4
y = -1/3x - 10
200
This word is used to describe the set of all outputs of a function.
What is the range?
200
What is Yes?
200
Let f(x) = x2 + x + 1; find f(-5).
What is 21?
200
The shaded region is increasing, decreasing, or constant.
Decreasing Interval
200
Find RANGE:
y>=-1 [-1, infinity)
200
What is the RANGE of the situation?
{0,20,40,60,80,100,120}
300
What type of line shows the output remaining constant as the input increases?
A horizontal line
300
The mapping diagram shows a function or not.
What is No, not a function?
300
Based on the graph of the function, what is f(4)?
f(4) = -2
300
What is the first increasing interval for this graph?
[-4,-2]
300
Find DOMAIN:
all real numbers
(neg infinity, pos infinity)
300
The graph of the line y = -4x + 3 would represent what type of relationship between x and y?
As x increases, y decreases
400
How do you determine if a GRAPH is a function or not?
What is the 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 domain of 2 has two different ranges 5 and 9
400
Evaluate this function for P(-4) if
P(x)=-1/2x2 + 5x + 2
P(-4)=-26
400
The y-intercept of the graph.
What is (0, 4)?
400
What type of line would both the domain and range be all real numbers? Draw or describe it.
A straight line on a diagonal; A linear function.
400
The variables x and y are proportional and have a constant of proportionality of 2. Write an equation in function notation that represents this.
y = 2x
500
This word describes any set of ordered pairs where each x-value is paired with one y-value.
What is a Function?
500
Is this a function and why?
What is no, because the range of 8 repeats?
500
Find f(4) =
0
500
What is the x-intercept of the function f(x)=2x-6?
(3, 0)
500
What type of graph would have a domain of all real numbers but a maximum y value of 5? Draw it.
A downward facing parabola with a maximum y value of 5.
500
Write an equation for a line where y remains constant as x increases.
y = any constant