2.1 Functions

Lecture

• Part 1
• Part 2
• Part 3

Lecture Notes

1. How to read:
   

$D=\{\forall x|x\in \Re ,x\neq -5\}$

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle \begin{align} \overbrace{D}^{\text{the domain}} \underbrace{=}_{\text{is}} \overbrace{\{}^{\text{the set}} \underbrace{\forall x}_{\text{of all x}} \overbrace{|}^{\text{such that}} \underbrace{x\in\Re}_{\text{x is an element of the real number set}} \overbrace{, x \neq -5}^{\text{where x is not equal to -5}} \end{align}}