Solve the problem.A biking club has increased its membership each year since its founding in 1984. The table provides membership data for several years.Take 1985 as year zero, and determine the linear, quadratic, cubic, or quartic function that best fits the data.

A. f(x) = -0.003x2 + 0.98x + 7.03
B. f(x) = 0.94x + 7.08
C. f(x) = 0.003x4 - 0.98x2 + 7.03x + 1.57
D. f(x) = 0.0002x3 - 0.006x2 + 0.99x + 7.03


Answer: B

Mathematics

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Determine the values of x for which the function is continuous. If the function is not continuous, determine the reason.f(x) = 

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Suppose that a nonlinear system is composed of equations whose graphs are those described, and the number of points of intersection of the two graphs is as given. Make a sketch satisfying these conditions.Two parabolas; four points

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