# Math Help - Need help with some function for my game

1. ## Need help with some function for my game

Hello, guys and gals, sorry for my english. I'm making a little game but I'm a little stuck in its economy, to continue I need the functions that give me this :

Thanks in advance for any help

2. ## Re: Need help with some function for my game

first graph ... $y = \frac{k}{x}$ where k is a constant should work

second graph ... one possible curve; Logistic function - Wikipedia, the free encyclopedia

3. ## Re: Need help with some function for my game

Is there some site where I can play around with functions and their constants and see the resulting graph live ? (I know how to google but I suppose you already have some handy one in mind, heh)

4. ## Re: Need help with some function for my game

Graph | Plotting of mathematical functions

5. ## Re: Need help with some function for my game

Nice ! Thanks

6. ## Re: Need help with some function for my game

Sorry for the bump but I'm trying to find a function to give me the second one, but I just can't ...
Draw Function Graphs - Plotter