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Common Functions Reference

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

Linear Function:

f(x) = mx + b

Square Function:

f(x) = x²

f(x) = x³

Square Root Function:

f(x) = √x

Absolute Value Function:

f(x) = |x|

Reciprocal Function

f(x) = 1/x

Logarithmic Function:

f(x) = ln(x)

Exponential Function:

f(x) = e^x

Floor and Ceiling Function:

The Floor Function

Cosine Function:

Tangent Function:

Dance Moves

You can remember them by dancing (author unknown):