Independent & Dependent Variables
Your pay depends on the number of hours you have trained. What is the dependent variable?
What is "your pay"?
In the function f(x)=y, which variables represent the input and output?
What is input = x and output = y?
Who is 17 years old?
Who is Pam?
What is the domain of the following ordered pairs?
(0,1), (3,-4), (5,-2)
What is {0,3,5}?
The price of your food depends on the number of items you purchase. What is the independent variable?
What is "number of items"?
What is the ordered pair (x,y) that is equivalent to f(3)=-10?
What is (3,-10)?
Is this mapping diagram a function or a relation?
What is relation?
What is the range of the following ordered pairs?
(-1,5), (4,3), (10,-4)
What is {-4,3,5}?
The time required for a trip is a function of the speed we travel. What is the dependent variable?
What is "time"?
Given h(x)= 2x + 10, what is h(-1)?
What is h(-1) = 8?
According to the table, what is f(3)?
What is x=3 and x=8?
What axes are associated with domain and range on a graph?
What is "domain = x-axis and range = y-axis"?
The number of gallons of gas in a gas tank and the number of miles that can be driven. What is the independent variable in this situation?
What is "gallons of gas"?
For the function f(x) = -5x + 4, what value of x does f(_)=14?
What is x = -2?
Which of these 2 graphs represents a function?
What is #1?
What is the inequality notation of the domain for the following graph?
What is -4 ≤ x ≤ 5?
The cost for copying a document is a function of the number of pages in the document. What is the dependent variable?
What is "the cost"?
The area of a square depends on the length of its sides. This is written in function notation as a(s). What is the best interpretation of a(3) = 9?
What is "the area of a square with side length of 3 is equal to 9"?
Can a circle ever represent a function?
What is "No"?
What is the integral notation for the range of the graph?
What is [1,4]?