Question

The number of homicides per 100,000 people is given by the equation

Answer 1

Answer:

• A: 9.03
• B: 2 years
• C: 2012, negative

Step-by-step explanation:

A. For x = 18, y ≈ 9.03 . . . . homicides per 100,000

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B. The curve has a maximum at about x ≈ 2.003, about 2 years after 1990.

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C. The model produces negative numbers for x > 22. It will not be valid after 2012.