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# Functions

In this problem, is f(x) a function like f(x)=sin(x) or is it a polynomial??

Note by Aasif Khan
4 years, 8 months ago

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What is the difference between a function and a polynomial......?

- 4 years, 8 months ago

f(x) is a function, not necessarily a polynomial.

- 4 years, 8 months ago

Can you post the question? The link says this solvable does not exist

- 4 years, 8 months ago

The question is

A function f:R→R satisfies f(5−x)=f(5+x). If f(x)=0 has 5 distinct real roots, what is the sum of all of the distinct real roots?

- 4 years, 8 months ago

It is a function, not a polynomial.

- 4 years, 8 months ago

I don't understand how to work on it...

- 4 years, 8 months ago

I mean do i need to invent such a function and then work on it, like the function could be anything like sqrt(sin(x)) . So do I need to discover the function first?

- 4 years, 8 months ago