In 2007 there were 740 students enrolled in an online training program, and in 2010 there were 998 students enrolled in the program. Let y be enrollment in the year x, where x=0 represents the year 2007. (a) Which of the following linear equations could be used to predict the enrollment y in a given year x, where x=0 represents the year 2007? Explain/show work. A. y=258x + 224 B. y=258x + 740 C. y=86x + 740 D. y=86x + 998 (b) Use the equation from part (a) to predict the enrollment for the year 2014. Show work. (c) Fill in the blanks to interpret the slope of the equation: The rate of change of enrollment with respect to time is _________________ per ___________________. (include units of measurement).
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