Answer:
[-16,-4]
Step-by-step explanation:
We are given that
Domain=[-2,1]
We have to find the set of range values of f(x).
Substitute x=-2
Substitute x=1
Range of f(x)=[-16,-4]
Hence, the set of range values of f(x)
x=-2
Answer: A
They are closed under addition, subtraction and multiplication.