Common Functions Reference

Here are some of the most commonly used functions, and their graphs:

Linear Function:

y=mx+b graph

f(x) = mx + b

Square Function:

Square function

f(x) = x2

Cube Function:

Cube function

f(x) = x3

Square Root Function:

Square root function

f(x) = √x

Absolute Value Function:

Absolute Value function

f(x) = |x|

Reciprocal Function

Reciprocal function

f(x) = 1/x

Logarithmic Function:

natural logarithm function
f(x) = ln(x)

Exponential Function:

natural exponential function
f(x) = ex

Floor and Ceiling Functions:

Floor function
The Floor Function

Ceiling function
The Ceiling Function

Sine Function:

sine graph

Cosine Function:

cosine graph

Tangent Function:

tangent graph

Dance Moves

You can remember them by dancing (author unknown):

math dance moves

 

 
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