Maths Basic Equations Cheat Sheet by Jensor

CONSTANT (k is a real number)	f(x) = k
IDENTITY	f(x) = x
ABSOLUTE VALUE	f(x) = |x|
QUADRATIC	f(x) = x2
CUBIC	f(x) = x3
SQUARE ROOT	f(x) = √x
CUBE ROOT	f(x) = 3√x
RECIPROCAL	f(x) = 1/x
RECIPROCAL SQUARED	f(x) = 1/x2
EXPONE­NTIAL	f(x) = ex
LOGARI­THMIC	f(x) = ln(x)
CIRCLE (NOT a function)	x2 + y2 = r2