A cable company uses the formula S = 20,000 (1 + 0.08)Y to estimate the number of subscribers, S, that use their service after y years. If there were 20,000 cable television subscribers when the cable company began, what is the meaning of the expression (1 + 0.08)'? %3D A. Every year the number of subscribers is estimated to increase by 8 over the number of subscribers the year before. B. Every year the number of subscribers is estimated to increase by 8% of the original 20,000 subscribers. C. Every year the number of subscribers is estimated to increase by 8% over the number of subscribers the year before. D. Every year the number of subscribers is estimated to increase by 80% of the original 20,000 subscribers.

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Equations and inequalities describe the relationship between two mathematical expressions.

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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.