Answer:
The answer is D
4(x²-4)=4(x-2)(x+2)
distribute
collect like-terms
the domain of f(x) is R ⇒ ] -∞ , ∞[
the domain of h(x) is x ≤ -5 ⇒ ] -∞ , -5]
Step-by-step explanation:
h(x) = \sqrt[8]{-2x-10}
-2x - 10 ≥ 0
-2x ≥ 10
x ≤ -5
option B and C
(x-5)(x+4)
hope it helps