When a college started an aviation program, the administration agreed to predict enrollments using a straightline method. If the enrollment during the first year was 12, and the enrollment during year 9 was 36, find the rate of growth per year (the slope of the line). See Illustration.
?
?
a = 36 , b = 9
?
A. m = 3
B. m = 7
C. m = 2
D. m = 4
E. none of these
Answer: A
Mathematics
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