Function Notation
In the function ƒ(x) = -4x - 7, what is the rule of the function?
What is -4x - 7?
A set of all the x-values.
What is the domain?
What is the domain of the following relation? {(5,-2),(-3,-2),(0,-2),(-2,-2)}
What is {-3,-2,0,5}?
True or False:
There is no school next Thursday.
What is false?
Is the following relation a function? {(0,2),(-1,3),(3,2),(-4,5)}
What is yes?
ƒ(x) = x2 - 4x +5
Find ƒ(5)
What is 10?
The set of all y-values.
What is range?
What is the range of the following relation? {(5,-2),(-3,-2),(0,-2),(-2,-2)}
What is {-2}?
Which two colors are combined to make purple?
What are blue and red?
Is the following relation a function? {-2,2),(0,1),(-2,3),(3,-1),(0,3)}
What is No?
If ƒ(x) = 4x - 2, find the value of ƒ(a+2).
What is 4a + 6?
In the function ƒ(x) = 2x - 3, what is the input value?
What is x?
What is the range (in numerical order) for the following set of values:
{(0,5) (9,10) (3,-6) (12,0)}
What is {-6, 0, 5, 10}?
What is the name of the hurricane currently affecting Jamaica?
What is Melissa?
True or False
A function can have repeated y-values.
What is true?
Given the function ƒ(x) = 3x - 2, find 2 + ƒ(2) - ƒ(1).
What is 4?
The x values of a function are also called what?
What is the domain?
True or false: The function of x (or "y") can be negative given the following function:
f(x) = x2
What is False?
(all y values will be greater than or equal to zero)
Who is the governor of Maryland?
Who is Wes Moore!
Functions cannot have repeated _______values.
What is x?
Luke is driving home from work. Let D(t) denote Luke’s remaining distance to drive D (measured in miles) after t minutes of driving.
What does the statement D(0) = 10 mean?
a. The drive between Luke’s home and his workplace takes 10 minutes.
b. The drive between Luke’s home and his workplace is 10 miles long.
c. Luke’s remaining distance is 0 miles after 10 minutes.
What is b?
A graph, table or mapping that shows no repeated x-values.
What is a function?
What is the range of the function below?
ƒ(x) = 3x {Domain: 0,1,2,3,4)}
What is {0,3,6,9,12}?
What generation includes Ms. Cassermere, Mr. Rennard, Mr. Grouzard, Mrs. Heid, but not Mr. Matthews?
What is millenial?
What is a value of "a" would make the relation {(a, 1), (2, 3), (4,5)} NOT a function.
What is a = 2 or a = 4?