← IB Class AI
Functions
Chapter Overview
Modeling with linear, quadratic, exponential, and sinusoidal functions. Function transformations. Logistic growth models. Piecewise functions. Practical modeling cycle: gather data, find model, verify, predict.
Topics Covered
- Linear Models
- Quadratic Models
- Exponential Models
- Sinusoidal Models
- Logistic Models
- Transformations
- Model Fitting
Key Formulas
y = abx (exponential)
y = L/(1+be-kx) (logistic)
y = a sin(b(x-c)) + d (sinusoidal)
Real-World Applications
Applications: Population growth, disease spread, sales forecasting, temperature modeling.
Study Tips
Tip: Focus on interpreting models in context
Tip: Technology use is crucial for AI
Tip: Practice with real data sets