Question

Find (f*g)(x) when f(x)=(sqrtx+3)/x and g(x)=(sqrt x+3)/2x.

Answer 1

@Shadow @SmokeyBrown

Answer 2

So in this problem, we're multiplying the two functions.
(f*g)(x) is the same as f(x)*g(x)
So, we'll write it out as
\[(\sqrt{x+3}/x) * (\sqrt{x+3}/2x)\]
When we multiply this out we get
\[(x+3)/2x ^{2}\]
And I think that's it