Features of Functions
Function/
Linear
Linear
Rate of Change
Write Linear Equations
Scatter Plots
100
What is the domain of the following relation? 
{-3,-2,0,1,5}
100
Classify the following as linear or nonlinear. 
Nonlinear.
100
What is the rate of change for the equation y=-2x+5?
-2
100
Jamie would like to join a book club. He needs to pay $9 for entrance into the book club and $12 per month. Write a linear equation expressing the total cost.
y=12x+9
100
Is the following scatter plot linear or nonlinear?
Nonlinear
200
What is the range of the relation?
{-12,-2,4,11}
200
Classify the following as linear or nonlinear.
Linear
200
What is the rate of change for the following table? 
-2
200
Shaun has $50 after entering the fairground. Each ride he goes on is $2. Write an equation for the amount of money Shaun has left.
y=-2x+50
200
Which would be the line of best fit?
B
300
Given the equation y=-3x+4, what is the output for x=-2?
10
300
Is the following a function or not? 
Not a function.
300
What is the slope of the following linear graph? 
-3
300
A water tank contains 600 gallons of water and is leaking at a rate of 15 gal/min. Write a linear equation representing the tank volume over time.
y=-15x+600
300
Which attributes are true of the following scatter plot? 
Negative Association
Nonlinear Association
Outliers
400
What is the maximum of the function? AND, at what input does the maximum occur?
Maximum: 4
At the input: 0
400
Classify the following as a function or not. 
Not a function.
400
What is the rate of change between the points (-1,6) and (7,8)?
1/4
400
Peta hires someone to fix his heater. He is told that he will be charged $45 per hour and a base fee for the house call. His bill is $215 and it took 2 hours to fix his heater. Write the linear equation that models this situation.
y=45x+125
400
Which of the following would be the most accurate about the following scatter plot?
a) Linear, Negative, Weak Association
b) Nonlinear, Negative, Strong Association
c) Linear, Positive, Strong Association
d) Nonlinear, Positive, Weak Association
C
500
Which of the following statements are true?
a.) There is one constant interval.
b.) There is one increasing interval.
c.) Decreasing from x=-2 to x=4.
A and B
500
Consider: Is the following linear? Is the following a function?
(-5, 0) (0,3) (2,6) (4,6)
Not linear, but yes, a function.
500
What is the rate of change between x=-2 and x=0? 
7/2 or 3.5
500
Jan is walking through the city on her way to her house. It takes her 40 minutes to walk 20 city blocks. If Jan started 35 blocks from home, write an equation that represents her distance from home.
y=-2x+35
500
Use interpolation to make a prediction for the age of a child whose gift cost $27.50.
12 years old