SAT Percentages Question
A company has a customer loyalty program. In January 2018, there were 900 customers enrolled in the loyalty program. For the next 24 months after January 2018, the total number of customers enrolled in the loyalty program each month was greater than the total number enrolled the previous month. Which equation gives the total number of customers, c, enrolled in the company's loyalty program m months after January 2018, where ?
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The trap here
SAT exponential growth and decay: the base is 1 + r, not r — A 3% annual increase is a base of 1.03, not 0.03. Getting the base wrong is the single most common error on SAT exponential-model questions.