Topic explanation

Standard explanation

Choose variables, fit a suitable function, state units and domain, then interpret rather than merely calculate.

Key points

• Graph-based modelling
• rule
• worked example
• Graph-based modelling: Choose variables, fit a suitable function, state units and domain, then interpret rather than merely
• CONCEPT AND RULE: Choose variables, fit a suitable function, state units and domain, then interpret rather than merely
• METHOD: For graph-based modelling, identify the given information and required result. Select the matching d
• Choose variables, fit a suitable function, state units and domain, then interpret rather than merely calculate.
• Worked pattern: If C(n)=500+20n, C(10)=700 and the practical domain has n>=0 whole.

Labelled diagram