Question

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

Answer 1

(f + g)(x)

⇒ (f + g)(x) = f(x) + g(x)

⇒ f(x) + g(x) = `sqrt(x)` + x