Functions (SG) Flashcards
A special type of relation wherein in the ordered pair (x,y), the value of y is unique for a specific value of x
Functions
What characteristic should the first element have for it to be called a function?
The first element should be distinct.
Is the relation {(2,3), (3,2), (4,2)} a function or not?
Function
True or False
A relation should show a relationship between values.
True
True or False
A function is a relation where each input has various outputs.
False
Is one-to-one considered as a function?
Yes
Is one-to-many considered as a function?
No
Is many-to-many considered as a function?
No
Is many-to-one considered as a function?
Yes
True or False
All relations are functions.
False
True or False
All functions are relations.
True
A test used to determine whether or not the relation is a function or not.
Vertical line test
The notation used when writing functions and how to read it.
f(x) read as (f of x)
In the notation of functions which is the dependent and independent variable?
F(x) is the dependent variable
X is the independent variable
True or False
The range of a function is the set of all resulting values of the dependent variable f(x)
True
