Part 1 -Application Numbers like 2%, 3%, 4% and 6% are often used to represent the grade of a road. Such a number tells how steep a road is. 3% grade means that for every horizontal distance of 100 it, the road rises or descends 3 feet. In each of the following cases, nd the road grade to two decimal places. a. b. 1400 ft 13.730 "' Part 2 - Find the errorts) and solve the problem correctly. Solve for g(f(0)) if fix) = 3" 7 9(1) = 2x - 1 Answer: Qtll = 3{21'41) 7 = 6141 7 = 51:3 _ owl3 _ _ 2 Part 3 - Discussion Question How can you deten'nine if two functions are inverses of each other ifyou are only given their graphs? Give an illustration to show how you know this