# SAT Math Multiple Choice Question 76: Answer and Explanation

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**Question: 76**

**1.** The population, P, of Town Y since 1995 can be estimated by the equation P = 1.0635x + 3,250, where x is the number of years since 1995 and 0 ≤ x ≤ 20. In the context of this equation, what does the number 1.0635 most likely represent?

- A. The estimated population of town Y in 1995
- B. The estimated population of town Y in 2015
- C. The factor by which the population of town Y increased yearly
- D. The factor by which the population of town Y decreased yearly

**Correct Answer:** C

**Explanation:**

C Use Process of Elimination to answer this question. According to the question, P represents the population, so the outcome of the entire equation has something to do with the population. Therefore, eliminate both (A) and (B) because 1.0635 can't represent the population if P does. In the equation given, the only operations are multiplication and addition, which means that over time the population would increase. Therefore, eliminate (D). The correct answer is (C).