Are You Having Fun(ction)?
Am I a function?
What's my function?
Key Features of Graphs
Domain & Range
Lets Review
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 value for the graph?
6
100
Find the DOMAIN:
{(-2, 4), (3, 2), (2, 10)}
What is {-2, 3, 2}?
100
Find the value of x.
x/8=4
32
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 it increasing, decreasing, or constant.
Decreasing Interval
200
Find RANGE:
y>=-1 [-1, infinity)
200
Solve for x.
x+9=5
-4
300
What is the maximum value of a graph?
The largest y- value of the graph.
300
The mapping diagram shows a function or not.
What is No, not a function?
300
For F(x)=2x+5, evaluate for F(2).
f(2) = 9
300
What is the first increasing interval for this graph?
-4<=x<=-2
300
Find DOMAIN:
all real numbers
(neg infinity, pos infinity)
300
Solve for u.
-7=u+8
-15
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 input (x) of 2 has two different outputs (y)?
400
Find f(4) =x2+4
20
400
The constant interval for this graph?
2<=x<=5
400
Find the DOMAIN:
-5<=x<=8 or (-5,8]
400
Which of the following could be used for a Statistical Question?
a. What is the length of a meter stick in centimeters?
b. What is the total number of feet in 8 yards?
c. What is the sum of the digits in your phone number?
d. What is the total number of eggs in 5 dozen?
c. What is the sum of the digits in your phone number?
500
This word is a relation that assigns to each
element of the domain exactly one element of the
range.
What is a Function?
500
Is this a function and why?
What is no, because x's repeat at 8?
500
Evaluate this function for P(x)=-4
F(x)=-1/2x+5x+2
-16
500
What is the minimal for the graph?
-3
500
Find the RANGE:
-3<=y<=-1 or (-3, -1]
500
What is the median for this set of numbers?
18,91,36,100,43
43