Trig!

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a) The annual inflation rate is 3.5% per year. If a movie ticket costs $7.50, find a formula for p, the price of the tickets t years from today, assuming that movie tickets keep up with inflation.

b) According to your formula, how much will movie tickets cost in 20 years?

  • algebra -

    p(t) = 7.50 * 1.035^t
    p(20) = 14.92

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