The cost of tuition at a college is $12,000 and is increasing at a rate of 11% each year. Use an exponential function to find the cost of tuition after 4 years.

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?