Thinking 8. Determine a function that satisfies the following key features. a. As x -> -co, y - -co and x -> co, y -> co . There are three x-intercepts at -1, 0 and 3. b. As x -> -co, y -> co and x ->co, y -> co . There are three x-intercepts at -1, 0 and 3. 9. The equation that models a Ferris wheel is f(x) =9.5sin(12x) where x is the time in seconds and f(x) is the height of the passenger on the ride. Describe as much as possible about the Ferris wheel