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# Help Zone

### Student Question

Postsecondary • 1yr.

Hello,

I can’t understand this problem because i don’t really understand the type of function i need to use

Can you explain this to me?

Mathematics

## Explanations (1)

• Explanation from Alloprof

Explanation from Alloprof

This Explanation was submitted by a member of the Alloprof team.

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Team Alloprof • 1yr.

Hi there !

Thank you for today's question !

Indeed, the first step would be to know the function in question. Let me help you with that !

It is an operation called : the composition of functions, or function " g of f ". It is basically two functions, f and g, that produce a function h = g  ∘ f such that h(x) = g(f(x)).

In order to increase your knowledge and comprehension on the topic, I strongly recommend the consultation of the following link :

Hope this helps, and do not hesitate to reach out once more for precisions !