This document provides solutions to three exercises related to the study of functions, including equipment rate and virus spread calculations.
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[...] Study of Functions in 3 Exercises Exercise 1 One can see on the graph: . Or on a . Thus On can see on the graph : . Thus . From where: On reads graphically: On has: Thus: D'ou: Exercice 2 On a : The derivative is therefore positive regardless of the value of . Thus, we obtain the following table of variations: For , When tend towards infinity, tend towards (thus 100%). The equipment rate can therefore be equal to 90% because We need to solve the following equation: [...]
