Inverting the function Animation Play

Is continuity of a function important? Student activity Play

Is it a function? Student activity Play

Is it a function? Whiteboard exercise Play

Is it a graph of a function? Whiteboard exercise Play

Is the rational function a polynomial? Whiteboard exercise Play

Justification of the cotangent function identity Animation Play

Justification of the tangent function identity Animation Play

Leaf structure and functions Slideshow Play

'Less by two times' and 'less by three times' functions Whiteboard exercise Play

Light-absorbing glass Student activity Play

Light-absorbing glass Whiteboard exercise Play

Linear combinations of exponential and logarithmic functions Student activity Play

Linear combinations of exponential and logarithmic functions Whiteboard exercise Play

Linear function Whiteboard presentation Play

Linear function Class activity Play

Linear function Whiteboard exercise Play

Linear function Student activity Play

Linear function Simulation Play

Linear function y = ax and its graph Student activity Play

Linear function and properties of its graph Whiteboard exercise Play

Linear functions and their graphs in real life Whiteboard presentation Play

Linear functions and their graphs in real life Class activity Play

Linear function  y = ax  and its graph for  a > 0 Student activity Play

Lipids – structure; function and sources in food Student activity Play