Archive for category Functions

F3 – Functions 3

Composition of functions Composition of functions (8.01) Example (4.10) Domain of composed functions (5.17) Inverse functions Introduction to function inverses (9.06) Inverse functions the basics (17.00) Function inverse example 1 (6.44) Function inverses example 2 (7.13) Function inverses example 3 (7.35) Finding the inverse of a function or showing one does not exist (3.17) Logarithmic functions Properties of logarithms (20.37) Change of base formula (4.14) […]

F2 – Functions 2

Linear functions Basic linear function (2.41) Exploring linear relationships (4.58) Recognising linear functions (4.01) Polynomials End behaviour Zeroes Flexing Degrees, turnings and bumps Quick graphing Exponential functions Determining the equation from a graph (6.23) Exponential growth (notice he approximates near the end before doing a division – he should have written t=ln(100 000)/ln(2) and then used the calculator) (10.43) Trigonometric […]

F1 – Functions 1

The concept of a function Introduction to functions (9.34) Part 2 (9.54) Part 3 (9.15) Part 4 (6.08) Functions (this site may look childish but it is a good read) Domain Domain of a function (9.59) Domain of an expression with a square root (1.46) Domain and range of a function (12.51) Domain and range of rational function (1.49) Domain and range of a […]