The table shows to linear functions in the function values for different values of X. Which expression represents H(x)?

Answer:
(g + f)(x)
Step-by-step explanation:
the outputs of f(x) and g(x) will always have a sum of -1, which is h(x).
Answer:
D) (g – f)(x)
Step-by-step explanation:
i got it wrong on test cuz of the other answer