Hi

How would one go about finding the intersects of these functions?

$\displaystyle 5.5\sqrt{x} + 10000 = C$ and $\displaystyle 3.29x = R$

So I made R = C

$\displaystyle 5.5\sqrt{x} + 10000 = 3.29x$

Then I'm stuck because I can't see a quadratic there to factorise.

David.