8.5 feet(12 inches per foot)= 102 inches total
There are 102 inches in 8.5 feet
To reflect a function across the x axis, we want to turn all the x values that were once positive negative and vice versa. That means we want f(-x), which is: 
whole number are positive integers.
X = 0
X=- 3 1/3 or x= -3.3