What is a function?
– a relationship or expression involving one or more variables
• Continuous functions
– Have no breaks, gaps or holes – can be sketched without
lifting your pencil.
– All polynomial functions, trigonometric functions (sin x, cos x,
arctan x), and ex are continuous on the interval (-∞ , + ∞).
What is a function? – a relationship or expression involving one or more variables• Continuous functions – Have no breaks, gaps or holes – can be sketched without lifting your pencil.– All polynomial functions, trigonometric functions (sin x, cos x, arctan x), and ex are continuous on the interval (-∞ , + ∞).
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