Assignment:
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.
Provide complete and step by step solution for the question and show calculations and use formulas.