The answer is -28/3 or 9.33333333333 have a great day also could I get brainliest
This expression cannot be simplified, as you cannot add or subtract variables raised to different exponents.
Answer:

Step-by-step explanation:
Product of of 3 and b is 3b
At least means greater than or equal too.

Answer:
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