PHY-MATH

  What are Functions – II ? Hello everyone, So, in the previous post I explained the meaning of Functions. If you missed the post, just click on the following link     Now, we’ll see Functions in more details: A function is a process (or a relation) that associates each element  x  of a  set   X , the  DOMAIN  of the function, to a single element  y  of another set  Y  (possibly the same set), the  CODOMAIN  of the function. Now you know why it is called “FUNCTION” ? Because it does something, it’s a process.   I some times see FUNCTIONS as some kind of machine in which when we put some value of x of set X ( DOMAIN) and in return it gives a single value y of set Y ( CODOMAIN) This was just a general presentation friends now let us see some real functions too. So as in Real life we have different gadgets to fulfill our daily needs, similarly to fulfill our mathematical needs there are many...

      Dear friends, practice these questions again and again to ensure good marks in the upcoming CBSE exams. We'll be posting more study material ( chapter vise and marks vise ) here to help you score good. May the almighty bless us all with the will and strength to work harder everyday.  (Leave your comments for suggestions and to request notes on specific topics. We'll make sure to reply each one of you.)