A snow cone vendor collects data on the number of snow cones he sells per day and the daily temperatures? What is the dependent variable?
the number of snow cones
100
Is the following relation a function? {(0,2),(-1,3),(3,2),(-4,5)}?
yes
100
Determine the function rule represent by the following relation?
{(0,-2), (1,4), (2,10), (3,26)}
What is f(x)=6x-2
200
What is the set of all the x-values?
Domain
200
Is the ordered pair (3,-6 ) a solution to -4x - 6?
No
200
Mrs. Marshall wants to see if there is a relationship between her students' test scores and the amount of time they study. What is the independent variable?
amount of study time
200
True or False? A function can have repeated y-values?
True
200
The coordinate pair (0,3) is on what axis and in which quadrant?
The y-axis, no quadrant
300
What is a graph, table or mapping that shows no repeated x-values?
What is a graph, table or mapping that shows no repeated x-values?
300
What is the range of the function below if the domain is {0,1,2,3,4}? f(x) = 2x-1
{-1,1,3,5,7}
300
Independent Variables are the labels on the ______axis?
the x-axis
300
Dylan likes to play the lottery and once a week buys a $5 scratch ticket. He has won $20, $10, $5, and once he won $500! Does playing the lottery represent a function?
No, different outputs for the same input
300
If the amount of my money in my savings account is represented on the y-axis and time is represent on my x-axis, how will the amount of money in my savings account be represented by a graph if am continuously withdrawing money without putting money in?
a downward sloping line
400
What is a set of ordered pairs (x,y) that are written as {(x,y), (x,y)}?
A relation
400
What is x if f(x)=10? f(x) = x/2
20
400
In the following function, which is the independent variable? (x or y?) y = 3x + 2
the x variable
400
What is the name of the method used to determine whether a graph is a function or not?
Vertical Line Test
400
Identify two ordered pairs on the graph y= -5x + 2?
A. (1, 7) (-1, 3) B. (10,-48) (1/5,3) C. (4/5,-2) (6, -28)
C
500
What is the name of the coordinate point where the x-axis and the y-axis intersect? Give both the coordinates and the name.
The Origin (0,0)
500
In the analogy of the toaster as a function machine, the types of bread placed into the toaster represents the domain or the range?
Domain
500
In the following equation, what is the dependent variable? (P or s?) P = 4s
the variable P
500
Is the following a function....
The output is the square root of x where the domain is all perfect squares.
No, the square root of 9 can be 3 and -3. Because there are two outputs for one input, the square root of a perfect square is not a function.
500
Which of the line(s) on the graph (see board) cannot be a function?