Write a function to represent the set of ordered pairs.

Please help..

What is the rescursive formula for this geometric sequence? 7, -14, 28, -56

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

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?