The set of all y-values is called the what?
Range
What is the domain of the following relation? {(5,-2),(-3,-2),(0,-2),(-2,-2)}.
What is {-3,-2,0,5}?
A snow vendor collects data on the number of snow cones he sells per day and the daily temperatures? What is the dependent variable? Is the x or the y the dependent variable?
number of Snow cones, y
The set of all x-values is called the what?
domain
What is the range of the following relation? {(5,-2),(-3,-2),(0,-2),(-2,-2)}.
What is {-2}?
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?
amount of time they study
A relation where every x value has a unique y value.
A one-to-one function?
Find the range of the following function? y=2x.
What is the Set of All Real Numbers?
This the opposite of a function. It undoes what a function does in the first place.
An inverse function
Find the range of the following function? y = x^2 What is range again?
What is all y-values greater than and equal to zero?
A graph, table or mapping that shows no repeated x-values.
What value must be excluded from the domain of the function f(x)= 2x/(x -3) What values are excluded form any domain?
What is 3?