Question

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every year 39 million cars cross the golden gate bridge in san francisco.
which kind of function best models the relationship between time and the cumulative number of cars that have crossed the golden gate bridge?
choose 1 answer:
a linear
b exponential

Explanation:

A linear function models a constant rate of change. Here, the number of cars crossing increases by a constant 39 million per year, so the cumulative number grows at a steady, constant rate over time. An exponential function would involve growth that increases by a percentage factor, which is not described here.

Answer:

A. Linear