What are the values of the range for the relation?
D: {2, 3, 4, 5}
R: {3, 5, 7, 9}
3, 5, 7, 9
100
The following points are on a graph:
(2,3), (3,3), (3,4), (4,5)
Is the graph a function?
no
100
3x + 4 = 34
What is the value of x?
x = 10
100
What type of correlation does the hours spent studying have with the number of questions answered correctly?
See graph
Positive
200
Name the independent variable:
The cost of tickets for a concert increase as the days remaining before the concert decrease.
days remaining before the concert
200
What is a function?
A relation where there is only one y-value for every x-value.
200
4(2 - x) + 6 = 2
What is the value of x?
x = 3
200
What type of correlation can you expect a person's height to have with the number of books they read last year?
No correlation
300
What is the dependent variable?
The amount of water in a pool increases during a rainstorm and then decreases through evaporation.
amount of water in the pool
300
Johnny is going to compare the cost of different brands of sodas and put the information into a graph. The x-axis will represent how many bottles of each brand he will purchase. The y-axis will represent the price for the bottles he purchases. Will his graph represent a function?
no
300
4x - 6 = 2x + 2
What is the value of x?
x = 4
300
The graph shows Mary's distance from her home last Saturday. What is the percent of her day that Mary spent away from her home?
See graph
60%
400
What would be the domain and range for the following function:
y = 2x - 6
Domain: {all real numbers}
Range: {all real numbers}
400
3x - 4 = y
What are the y-values when the x-values are: 1, 2, 3, and 4?
y = -1, 2, 5, 8
400
5x - 3 - 2x = 2x + 3
x = 6
400
The graph shows the amount of money spent for chips. How much would you expect to spend for 20 bags of chips?