.

[simple birch]

1. Wait patiently for a helper to come along.
2. Once someone helps you, say thank you and close the thread with:

+close

3. Feel free to nominate the person for helper of the week in #helper-nominations
4. Do not ping the mods, unless someone is breaking the rules.
5. If you're happy with the help you got here, and the server overall, you can contribute financially as well:

[valid mason]

I assume you meant f(x) = 4x^5 + 3.
What are you trying to find?

[shrewd junco]

I think they mean to find f(2)

[valid mason]

Oh, I see.

To find f(2), substitute x = 2 into the expression of f(x).