Answer:

(f+g)(x)=4x2+94x−7

Step-by-step explanation:

Explanation:

(f+g)(x =f(x)+g(x)

Substitute

f(x)=x4−3 :

(f+g)(x)= x/4−3+g(x)

Substutitute

g(x)=4x2+2x−4 :

(f+g)(x)=x/4−3+4x2+2x−4

Combine like terms:

(f+g)(x)=4x2+94x−7