Madeline was completing the square, and her work is shown below. identify the line where she made her mistake. f(x) = 3x2 + 6x ? 7 line 1: f(x) = 3(x2 + 2x) ? 7 line 2: f(x) = 3(x2 + 2x + 1) ? 7 ? 1 line 3: f(x) = 3(x + 1)2 ? 8

Jack is considering a list of features and fees for current bank: jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements? a. $44 b. $104 c. $144 d. $176