What is a Compound Function?
Compound functions are when there are functions inside other functions, f(g(x)).
How to Find the Derivative:
Real World Example
How To Solve
Relevance
When you are 16 years old, if you had this equation you could plug in an an age after 16, possibly 17, to estimate the amount of homework you would have at that age. It wouldn't be completely exact but it could be useful to see what you should expect for that year.