Presley is organizing the school book sale. each stall will have 40 books on the shelf and 2 boxes of books with b books inside. presley also has 200 books in inventory to refill the shelves as books sell. this situation can be written as the following expression: 40s + (2b)s + 200 how many books should presley have ready if she plans to open 8 stalls and have 12 books in each box? a) 520 b) 712 c) 820 d) 1,622

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x