Exponential function identification – Matemáticas 9°

At the introduction we describe four situations where exponential functions are used, those are: Population growth, increase of people who suffer from AIDS, floods in farming shops, atomic disintegration among others. Then some questions are posed, with the aim of encouraging students to develop the activities, those are: Where have you evidenced everyday situations modelled by functions? What situation in your daily life do you consider would be possibly modelled through functions?