Question

Operations of functions, its quite simple but I don't understand it.

Find (a): (f+g)(3)
1) f(x)=x+3 g(x)=x^2

How do I do this?

Answer 1

@mathstudent55

Answer 2

f(x)=x+3 g(x)=x^2
(f + g)(x) = f(x) + g(x) = x^2 + x + 3
(f + g)(3) = ?