Data from a 20-yr study show the number of new AIDS cases diagnosed among 20- to 24-yr-olds in the United States x years after the study began. AIDS Diagnoses, Adolescents (20-24 yr) 1985–2005 3000 (6, 2639) 2500 2000 1500 1000 (13, 1340) 500 5 10 15 20 Year (x O represents 1985) Part: 0/ 6 Part 1 of 6 (a) Approximate the interval(s) over which the number of new AIDS cases among 20- to 24-yr-olds increased. Write your answer as an interval or union of intervals. The number of new AIDS cases among adolescents 20-24 yr increased over Number of New Diagnoses

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