f(x)=4x^2 and g(x)=-7

Question

(f+g)(x)=
find domain

Answer 1

To find (f+g)(x), we simply add f(x) and g(x) together:

(f+g)(x) = 4x^2 - 7

The domain of this function is all real numbers because there are no restrictions on the values of x that can be squared or subtracted.