title: Drawing simple math graph in c# wpf
body: <p>I need to make math graph like this:</p>
  
  <p><a href="https://i.stack.imgur.com/sB2eR.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/sB2eR.png" alt="enter image description here"></a></p>
  
  <p>I store f(x), g(x), h(x) coefficients in arrays same like (x,y) of that 3 points.</p>
  
  <p>What is the simplest way to draw it in WPF C#? Do you have any advice? Thank you</p>