Unit 1 AP Precalculus Practice Test 2026

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Cailey wants to buy a new outdoor heater. The cost for the unit is $349.99. If she plans to run the heater 5 months out of the year for an annual operating cost of $121.67, which function models the cost per year over the lifetime of the unit, C(t), in terms of the number of years, t, that she owns the heater? (C) c(t) = \frac{349.99 + 121.67t} {t} .

24 y= \frac{x} {x^{2} - 4} c(t) = \frac{349.99 + 121.67t} {t} . The function f(x) has exactly one or three real zeros in the interval [3, 4].

Correct Answer:

c(t) = \frac{349.99 + 121.67t} {t} .

Explanation:

Correct answer: c(t) = \frac{349.99 + 121.67t} {t} .

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