UNIT 2: Functions

Formulae (SL & HL)

Vertex Form of a Function

Inverse Form of a Function

Graph of 1/x

Graph of x²

Graph of x³

Graph of a^x

Graph of a^-x

Graph of x^1/2 (Square Root of x)

Quadratic Formula

Translations of Functions

Dilations of Functions

Exponential Growth (Functions)

Rational Functions

Partial Fractions

Absolute Value (Functions)

The absolute value of any number a is the ‘real’ value of a, i.e. it is always greater than zero.

Graph of Absolute Value Functions

Absolute Value of Negative Numbers

Absolute Value of Zero

Product Rule (Absolute Value)

Quotient Rule (Absolute Value)

Addition Rule (Absolute Value)

Subtraction Rule (Absolute Value)

Comparison of Absolute Numbers