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What are Composite Functions
In this part I will explain to you all you need to know about composite functions to pass your maths exam. Remember when we evaluated expressions by substituting a number into the expression (please click here if you want to revise what substitution is). Now we will evaluate functions not for a numerical value for x, but we will substitute another function for x. Composite functions unfortunately appear to be quite intimidating for many students. This is unnecessary and I hope you will agree with me, after seeing the next five videos, that it is equally as hard/easy as evaluating a function for a numerical value for x. It is up to you. I know you can do it! So let's learn about composite functions!
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