Are You Having Fun(ction)?
What's my function?
Features of Graphs
Domain & Range
"Appropriate" Values of Domain & Range
100
This word is used to describe the set of all inputs for a function.
What is the domain?
100
f(-3) if f(x) = 2x +1
What it -5 ?
100
The vertical intercept, or y-intercept of the graph.
(0, 4)
100
Find the DOMAIN:
-3<x<=1
100
A small bus charges $3.50 per person for a ride from the train station to a concert. The bus will only run if at least 3 people take it, and it cannot fit more than 10 people.
Function B gives the amount of money the bus operator earns when n people ride the bus.
Which of the following is a possible INPUT value for this function?
A. 1
B. 3
C. 6.5
D. 11
B. 3
200
This word is used to describe the set of all outputs of a function.
What is the range?
200
Let f(x) = x2 + x + 1; find f(-5).
What is 21?
200
What is the value of f(3)?
-1
200
Find RANGE:
y>=-1
200
A small bus charges $3.50 per person for a ride from the train station to a concert. The bus will only run if at least 3 people take it, and it cannot fit more than 10 people.
Function B gives the amount of money the bus operator earns when n people ride the bus.
Which of the following is not a possible OUTPUT value for this function?
A. $10.50
B. $21
C. $25
D. $35
C. $25
300
This word describes a relation that pairs each x value with only one y value.
What is a function?
300
Based on the graph of the function, what is f(4)?
f(4) = -2
300
If f(x) = 0, what are the possible values of x?
x = 2
x = 4
300
Find DOMAIN:
-1<=x<=4
300
The cost for an upcoming field trip is $30 per student. The cost of a field trip C, in dollars, is a function of the number of students, x.
Which of the following choices describes the possible INPUTS for this function?
A. All real numbers
B. All positive integers
C. All positive integers that are multiples of 30
D. All negative and positive integers
B. All positive integers
400
What visual test can be used to determine if a graph is a function?
What is the Vertical Line Test?
400
Find the x if f(x)=10
f(x) = 2x - 4
What is 7
400
What is the value of f(3)?
7
400
Find the DOMAIN:
-5<=x<=8
400
The cost for an upcoming field trip is $30 per student. The cost of a field trip C, in dollars, is a function of the number of students, x.
Which of the following choices describes the possible OUTPUTS for this function?
A. All real numbers
B. All positive integers
C. All positive integers that are multiples of 30
D. All negative and positive integers
C. All positive integers that are multiples of 30
500
This word describes the point where the function crosses the y-axis.
What is a vertical intercept?
500
Find f(4) =
0
500
Here is the graph of one day's temperature as a function of time.
Find the average rate of change from 2:00 pm to 8:00 pm.
-2.5 degrees F per hour
500
Find the RANGE:
-3<=y<=2
500
A child tosses a baseball up into the air. On its way down, it gets caught in a tree for several seconds before falling back down to the ground.
Select the best description of the range of the function:
A. The range includes all real numbers from 5 to 12.5
B. The range includes all integers between 0 and 12.5
C. The range includes all real numbers between 0 to 8.5
D. The range includes all real numbers from 0 to 12.5
D. The range includes all real numbers from 0 to 12.5