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 for the graph?
(-2, 6)
100
Find the DOMAIN:
{(-2, 4), (3, 2), (2, 10)}
What is {-2, 3, 2}?
100
f(n)=2n+1
g(n)=3n
Find f(n)+g(n)
5n+1
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
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
Based on the graph of the function, what is f(4)?
f(4) = -2
300
Find the x-intercept(s) of the graph shown.
(-3.3, 0)
(-5.6, 0)
(-5, 0)
300
Find DOMAIN:
all real numbers
(neg infinity, pos infinity)
300
f(x)=x^2+1
g(x)=2x-5
Find
f(x)-g(x)
x^2-2x+6
400
What visual test can be used to determine if a graph is a function?
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 input (x) of 2 has two different outputs (y)?
400
Find the f(x) if f(10)
f(x) = 2/5x + 4
What is 8
400
The y-intercept of the graph.
What is (0, 4)?
400
Find the DOMAIN:
-5<=x<=8 or (-5,8]
400
Rafael drops a ball from a third-story window. This equation represents the approximate height, h, in meters, of the ball above the ground after it falls for t seconds.
h(t) = -5t^2 + 45
Evaluate h(2). Enter your answer as a number.
25
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
Find f(4) =
0
500
f(x) = 2x^2 + 12x + 16
What is the average rate of change of f(x) on the interval [-3, -2].
2
500
Find the RANGE:
-3<=y<=2 or (-3, 2]
500
f(x) = 4x + 1 and g(x) = 4x - 3
Find
f(x) * g(x)
16x^2 - 8x - 3