first you would do

next you would do

which would then give you answer choice a
I really don’t know but maybe this will help you now and later
Step-by-step explanation:
Range is all possible y values a function can have. Look at the y axis. So let find the max/ min y value the function can have. The max y value is 1, and the minimum y value is -4. All the x Intervals fall between -4, and 1. Since we have solid dot we include the -4 and 1.
So the notation for this is

or
[-4,1]
The answer is B.
The reason is because what you do to find that discount from your original amount, you multiply your amount that you have from the start, (380.00) and multiply that by your discount or sale, whatever, and make sure to put as a decimal and then you get your answer