Question

For f(x)=2x+1 and g(x)=x squared - 7, find (f+g)(x)

Answer 1

For f(x)=2x+1 and g(x)=x^2 - 7,
so
(f+g)(x) = 2x + 1 + x^2 - 7
(f+g)(x) = x^2 + 2x - 6