Answer:
{y | y = 9, 0, - 7, - 1}
Step-by-step explanation:
Range = y coordinates = {y | y = 9, 0, - 7, - 1}
It was reflected vertically then flipped
Add 0.5 to each side so you have fabric for the seams and your new numbers are 3 ft and 4 ft
find the area by multiplying 3*4 and get 12 ft
1 yard = 3 feet
12/3= 4 yards
You would need 4 square yards of fabric