Vocabulary
A snow vendor collects data on the number of snow cones he sells per day and the daily temperatures? What is the dependent variable?
What is the number of snow cones?
Find f(3)? f(x) = 2x -2 g(x) = 3x h(x)=x/2
What is 4? f(3)=2(3)-2= 4
Is the following relation a function? {(0,2),(-1,3),(3,2),(-4,5)}
What is yes?
Does an independent variable go with the x-value or y-value?
What is x-value?
A teacher 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?
What is the amount of time they study?
What is h(-2)? f(x) = 2x - 3 g(x) = 4x +2 h(x) = 2x^2
What is 8?
Is the following relation a function? {-2,2),(0,1),(-2,3),(3,-1),(0,3)}
What is No?
A set of all the x-values.
What is domain?
Independent Variables are the labels on the ______axis?
What is X-Axis?
In this function, which part of the function represents the y-variable or dependent variable? (f(x) or x?) f(x)=3x +2
What is f(x)?
True or False? A function can have repeated y-values?
What is True?
Find the range of the following function? y = x^2 (See graph on white board.)
*Adv. Only*
What is all y-values greater than and equal to zero?
In the following function, which is the independent variable? (x or y?) y = 3x + 2
What is the X?
What is the x if f(x)=10? f(x) = x/2
What is 20? because 20/2 = 10
Functions cannot have repeated _______values.
What is X?
What is the range of the function below? y = 3x {Domain: 0,1,2,3,4)}
What is {0,3,6,9,12}?
In the following equation, what is the dependent variable? (P or s?) P = 4s
*Adv. Only*
What is P?
What is the range of the function below if the domain is {0,1,2,3,4}? f(x) = 2x-1
What is {-1,1,3,5,7}?
What is the name of the method used to determine whether a graph is a function or not?
What is The Vertical Line TEST?