Identify Functions
Is a Function?
Rate of Change
Slope and linear equations
Vocabulary
100
Which relation represents a function?
A.{ (2,3) , (2,4) , (3,5)}
B. {(1,2),(4,2),(5,7)}
C. {(6,8),(6,9),(3,1)}
D. {(0,3),(0,3),(1,4)}
What is B is a function?
100
Which is a function ?
What is no , yes , and yes?
100
Find the rate of change.
What is 4?
100
Find the slope of the line from points (-3, 2) and (1, 6)
What is 1?
100
What do we call a set of ordered pairs, usually written as {(x,y)}, that shows a relationship between two variables?
What is a relation?
200
Does the table represent a function
What is No x = 3 twice?
200
A number of squares are connected in a row to form a rectangle. The table shows the relationship between the number of squares, x, and the perimeter, y, of the rectangles they form. Is this a function and what type of function?
What is Yes it is a function , linear functions?
200
Two points from the line are: (1, 4) and (4, 10).
Find the rate of change.
What is 2?
200
Find the slope form the table.
What is m= -2?
200
In a function, which variable is called the input?
What is x?
300
The set of ordered pairs (1,7), (3,8), (3,6), (6,5), (2,11), (1,4) represents a relation? Is it a functions not?
What is Arrow map D , Arrow map D is not a functions ?
300
The table and the graph show the relationship between the edge length, x, of a cube and its surface area, y. Is the relation a function? What type of function?
What is Yes and a nonlinear function?
300
Find the rate of change.
What is -2?
300
What is linear equation of this graph?
What is
y= 1/2x - 3?
300
The value that comes out of the function after the input is substituted is called:
What is output?
400
Which Arrow map represents the table? Is it a function or not?
What is Arrow Map C, Arrow Map C is a function?
400
Is this a function? What type of function?Explain
What is the doesn't a represent a functions because their is a x value that has more than one y value?
400
What is the rate of change?
What is -1?
400
Write the linear equation.
What is
y= -4x + 5?
400
Which vocabulary term refers to all possible input values in a function?
What is Domain?
500
The relation shown below represents the temperature, in degrees Celsius, of the air a certain number of hours after noon on a winter day. Is the temperature a function of time? Explain
(2,-1) ,(1, -6) ,(6,-3) , (4.-7)
What is Yes for each number of hours after noon there is exactly one temperature ?
500
A train leaves the station at time t=0. Traveling at a constant speed, the train travels 240 kilometers in 2 hours. Write a function that relates the distance traveled d to the time t.
What is d =120t?
500
Runner’s A time-distance graph shows a rate of change of 4 meters per second.
Runner’s B data table is shown:
Which runner is faster?
What is Runner B 6 m. per second > Runner A 4m. per second?
500
Tickets to a baseball game cost $22 each and parking costs $10.
What is the equation of the line that represents the cost of attending the game?
What is y = 22x + 10?
500
Which term describes all possible output values that a function can produce?
What is Range?