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Linear relations problem: Worldwide HIV infections

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In 2004, there were an estimated 39 million HIV infections worldwide with an annual infection rate of 4.9 million.
(a) Solve the equation graphically and find the slope's intercept form of a line that approximates the cumulative number of HIV infections in millions during year x, where x = 2004.
(b) Estimate the number of HIV infections in 2010 and provide a narrative of your calculation to support your answer.
(c) Provide a graph.

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Solution Summary

This solution shows how to derive and graph the formula for the linear relation showing the number of worldwide HIV infections in a given year.

Solution Preview

a)
Slope/Intercept form: y = mx + b
Let y = number of infections in millions
Let x = number of ...

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