SAT数学备考经典模拟题训练7

>>SAT数学模拟题：SAT数学备考经典模拟题训练7

>>SAT考试辅导

Read the following SAT test question and then click on a button to select your answer.

Scarlett is studying the neurology of mice. One article she reads suggests that the number of neurons a mouse has, N(t), after t months is modeled by the function N(t)=N0*(1-r)^(t/τ), where N0 is the initial number of neurons at time t=0, r is a rate where 0

A.The number of neurons decreases by a fixed amount every 4 months.

B.The number of neurons remaining increases by a fixed amount every 4 months.

C.The number of neurons decreases by an amount proportional to the decrease in the previous 4 months.

D.The number of neurons increases by an amount proportional to the increase in the previous 4 months.

【答案解析】

答案：C

解析：

Choice C is correct.

上面的模拟题都做完了吗大家，做题后也要对照解析认真总结自己的不足之处哦。更多SAT数学模拟题可登录坦途网SAT考试频道找到，祝大家考试顺利！