# Math Help - [SOLVED] functions

1. ## [SOLVED] functions

find f(-5) if f(n) = 2n +13

2. Sub -5 for n and solve.

3. yup mayflower is exactly correct.

in case you don't know, the f (-5) means f of -5. So you don't mess with the left side of the equation, it just tells you what you are doing.

You answer will be: f (-5) = some natural number