Since 1990, When the Average Monthly Price for Basic Cable $C = - 15.81 t + 1.12$

question 115

Multiple Choice

Since 1990, when the average monthly price for basic cable TV programming in one country was $15.81, the cost has risen by about $1.12 a year. Write an equation in slope-intercept form to predict cable TV costs in the future. Use t to represent time in years after 1990 and C to represent the average basic monthly cost.

• A) \(C = - 15.81 t + 1.12\)
• B) \(C = 1.12 t + 15.81\)
• C) \(C = 15.81 t - 1.12\)
• D) \(C = - 1.12 t + 15.81\)
• E) \(C = 1.12 t - 15.81\)

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