A certain rail company's annual passenger revenue in millions of dollars is modeled approximately by the absolute value function given below. R(x) = 60|x-11| +960 The function models the annual passenger revenue, R, in million dollar increments as a function of x, the number of years from 1980. Match the following features of the graph to their corresponding meanings. The annual passenger revenue is at a maximum in year 1991 ····· Practical Domain Meaning of the cusp Mathematical Domain Meaning of R-intercept Title of Graph Title of x-axis Title of R-axis 1. 2. 3. 4. 5. 7. 6. (-inf, +inf) 8. 9. The annual passenger revenue of the rail company in 1980 Time, in years since 1980 11. Revenue, in millions of dollars. The Annual Passenger Revenue of a Rail Company since 1980 12. [0,27] The number of annual passengers 10. [0,+inf) [-5,27] The time it takes for the revenue to reach a maximum The year corresponding to having no annual passenger revenue

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