SAT官方每日一题附答案和解析[数学](2018年12月6日)
日期:2018-12-06 09:39
(单词翻译:单击)
每日一题
Mathematics
A rental car company charges $45 per day for the rental of a midsize car. Additionally, there is a tax of 8% on all car rentals. Which of the following functions c best represents the total charge, including tax, in dollars, to rent the midsize car for d days?
A.c(d)=45.08d
B.c(d)=45d+1.08
C.c(d)=45*0.08d
D.c(d)=45*1.08d
答案和解析
答案:D
解析:
Choice D is correct.