Question

Let f(x) = `sqrt(x)` and g(x) = x be two functions defined in the domain R⁺ ∪ {0}. Find (fg)(x)

Answer 1

(fg)(x)

⇒ (fg)(x) = f(x)g(x)

⇒ (fg)(x) = `(sqrt(x))(x)`

⇒ f(x)g(x)= `xsqrt(x)`