25 terms

# Functions

#### Terms in this set (...)

Domain
All about the X
Range
All about the Y
Increasing function
Interval along the domain
Decreasing function
Interval along the domain
X-intercept
Where graph crosses x-axis
Y-intercept
Where graph crosses y-axis
function
Each x has only 1 y
Function test
Vertical line test - only 1 point of function on each vertical line.
Look for x - values that repeat.
Function notation
Sub in values into expression
Relation
Set of ordered pairs.
Describes a relationship between 2 different sets of data.
Interval notation
2 lines with Parentheses and brackets
Reflection
Term when your function has flipped
Horizontal
Left to right (x-axis)
Vertical
Up and down (y-axis)
Maximum
Highest point on function
Look at range in a chart
Minimum
Lowest point on a function
Look at range in chart
Interval notation
Think brackets and )
Vertical shift
# is outside ( ) that is added or subtracted
Horizontal shift
# is inside ( ) that is being added or subtracted.
+moves left
- moves right
Function getting narrower
Mult by whole #
Function getting wider
Multiplying by a fraction/decimal
Quadratic function
Graph is a parabola
Linear function
Graph is a straight line
Absolute value functiom
Graph is in the shape of a v
Exponential function
Exponent is a variable