Math because theres memorization

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Function

Relation that is for each input there is only one output

Relation

Set of ordered pairs

Constant Function

f(x) = Any real numbers
Ex. F(x) = 4

Identity function

F(x) = x

Linear Functions

f(x) = y=mx+b, x is not equal to y

Quadratic function

f(x) = x²

Cubic Function

f(x) = x³

Absolute value Function

f(x) = /x/

Piece wise function

Function with multiple subset

Vertical Line test

The method used to see if a graph is considered a function

Constant function

Identity Function

Linear function

Quadratic Function

Cubic Function

Absolute value Function

Domain and range of Constant functions

D = All real numbers
R = y value

Domain and range of Identity functions

Domain=Range

Domain and range of Linear Function

D and R = all real numbers

Domain and range of Quadratic Function

D = All real numbers
R = if a>0, f(x)/f(x) >= k
if a<0, f(x)/f(x) <= k

Domain and range of Cubic Function

D and R = all real numbers,

Domain and range of absolute value function

D and R = depends