Vocab
x and y
Please Excuse My Dear Aunt Sally
Writing Equations in Function Notation
Function or Not
100
The set of all y-values.
What is range?
100
What is the domain of the following relation?
{(5,-2),(-3,-2),(0,-2),(-2,-2)}
What is {-3,-2,0,5}?
100
Evaluate:
6-(3)(5)
What is -9?
100
Identify / define the independent and dependent variable. Then write an equation to represent the given situation: The total cost for a trip is based on the limo service charging $90 for each hour of the trip.
What is:
Independent (x)- # of hours
Dependent (y)- total cost
Function: y = 90x
100
Is the following relation a function?
{(0,2),(-1,3),(3,2),(-4,5)}
What is yes?
200
A graph with connected points showing maybe a line or curve.
What is a continuous graph?
200
What is the range of the following relation? {(5,-2),(-3,-2),(0,-2),(-2,-2)}
What is {-2}?
200
Evaluate:
2(3+1)2 - 12
What is 20?
200
Write an equation given the following graph:
What is y = -2x+5
200
Is the following relation a function?
{-2,2),(0,1),(-2,3),(3,-1),(0,3)}
What is No?
300
A set of all the x-values.
What is domain?
300
Independent Variables are the labels on the ______axis?
What is X-Axis?
300
Evaluate when x = 3 and y = -1
xy - y2
What is -4?
300
Identify /define the variables. Then write an equation for the given situation: Carson charges $7 per hour for yard work and a flat fee of $30 to remove the yard waste.
What is:
x- # of hours of work
y- total charge
Function: y = 7x+30
300
True or False?
A function can have repeated y-values?
What is True?
400
A graph with points not connected.
What is a discrete graph?
400
What is the range of the function below?
y = 3x {Domain: 0,1,2,3,4)}
What is {0,3,6,9,12}?
400
Evaluate when a = 6 and b = -2
3(a + b) - b2
What is 8?
400
Identify the independent and dependent variable. Then write a function in function notation for the given information: Meg earns a $5 flat fee plus $4.50 per student for a tutoring session.
What is: Independent: number of students Dependent: money earned Function: f(x) = 5 + 4.5x
400
Functions cannot have repeated _______values.
What is X?
500
Value(s) for the variable(s) that make the mathematical statement true.
What is a solution?
500
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?
500
Evaluate when x = 1/2 and y=2/3
12xy - 3(1 + y)
What is -1?
500
Write an equation given the following graph:
What is y=1/2x+2 or y=0.5x+2
500
What values of "a" would make the relation {(a, 1), (2, 3), (4,5)} NOT a function.
What is a = 2 and a = 4.