Functions - Absolute Value - Draggable

• Show how the graphs of $$f(x)$$ and $$|f(x)|$$ relate to each other
• $$f(x)$$ is defined by draggable points
• Choose from:
• $$f(x)=ax+b$$
• $$f(x)=ax^2+bx+c$$
• Moveable points:
• Green points (that define $$f(x)$$ )
• Black "tracer" point