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Monotony (Max-Min)

What you have to know :

  • How to differentiate all functions

    (If not check this lesson)

Monotony (Min-Max)
1. Watch this video
2. Watch this presantation
3. Increasing and decreasing function  
     Watch this video
3. Find Min and Max
     Watch this video

Now you know :

  • How to find if a function is increasing or decreasing

  • How to find minimum and maximum

1st Derivative test
first derivative test.jfif

Another way of seeing the inflection point and concavity

  • In 2020 January there was a outbreak of a Coronavirus. The whole world was  going crazy that year. The deaths from the virus were rising up to some point and then start decreasing. The whole world was searching.....the inflection point. of the graph of death rate.

Coronavirus and Inflection points

What you have to know :

  • Differentiate

    (If not check this lesson)

  • Find the monotony of a function

    (If not check this lesson)

Concavity / Inflection Points
1. Watch this video
2. Watch this presantation
3. Watch this video

What you have to know :

  • To find minimum or maximum of a function I take the first derivative equal to zero

  • To find the inflection points I take the second derivative equal to zero

IB questions on inflection points, minimum and maximum
1. Watch this video

Now Lets Practice!

  • Solve the problems.

     

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