f(x) = 2x2 + 4.2 - 5
g(x) = 6x3 – 2x² + 3

Answer:
it will be C
Step-by-step explanation:
when Q asking about (f+g)(x) we just mix the two functions
(f+g)(x)= 2x² + 4x - 5+ 6x^3 – 2x² + 3
= 6x^3+4x-2 so it will be C
hope this helps