Help with Functions, Domain and Range
You can find examples of functions all around you in your everyday life. Look at the water fountain for instance on the picture which are all examples of quadratic functions. Are you able to give the approximate equation of one of those water beams? This section you can find help during your maths revision to understand all you need to know about functions to pass your AS maths exam. I will explain to you how to find the domain and range of functions (and their inverse!). You will also learn how to find inverse functions and what composite functions are. We wil also understand how to sketch curves. We will solve many past paper questions together so you are well prepared for your own maths exam. Let me know if you need more help. Mr John
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Congratulations! You now understand everything about functions, range and domain to pass your AS maths exam. Continue with your maths revision and check the link below. I will explain to you what progressions and series are and how to find the sum of progressions (including the sim to infinity of geometric progressions!). Hope to see you there soon! Mr John
