The answer is an average rate of change of 110 more dollars in her account per week. You find this by first subtracting the starting amount of 250 from the end amount of 800 that equals 550. then you divide that number by five, the number of weeks, to get the average rate of change.
It is the bottom right one because the amount he walked has to be greater than 200
Square inside the first parentheses,, then square outside both.
Answer: 2.25
