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