Zusammenfassung der Ressource
F1-3: Functions and Relations
- Definitions
- Relation
- a rule that associates the elements of
one set with the elements of another
set
- arrow diagram
- used to represent a relation
- function
- a relation where each element in the first set is associated
with exactly one element in the second set
- domain
- the set of first elements in a relation
- range
- function notation
- notation used to show the
independent variable in a
function
- rate of change
- the change in one quantity with respect to the change in another quantity
- linear function
- a linear relation whose graph is not a vertical line
- vertical intercept
- also known as the y-intercept, is the
y-coordinate of a point where a graph
intersects the y-axis
- horizontal intercept
- also known as x-intercept, is the x-coordinate of a point where a graph intersects the x-axis
- discrete data
- Enter text here
- continuos data
- set
- element
- Representing relations
- words
- ordered pairs
- table of values
- mapping or arrow diagrams
- graphs
- Important symbols
- { }
- "the set of"
- I
- "such that"
- E
- is an element of
- {{xIxER}}
- set of x is such that x is an element of the real number system
- <
- less than
- ≤
- less than or equal to
- >
- Greater than
- ≥
- Greater than or equal to
- open bullet
- indicates up to but not
including
- closed bullet
- this denotes up to and including
- arrow
- indicates the direction and that the line continues on indefinitely