Answer:
10x
Step-by-step explanation:
By definition
[tex](f\codt g)(x)=f(x)\cdot g(x)[/tex]
So we just need to multiply the two functions
[tex](f\cdot g)(x)= f(x)\cdot g(x)\\=\sqrt{2x}\cdot \sqrt{50x}\\=\sqrt{(2x)\cdot (50x)}=\sqrt{100x^2}\\=10\sqrt{x^2}\\=10x \text{ since x is non negative}[/tex]
