During a certain 10-year period, the consumer price index (CPI) increased by 90%, but during the next 10-year period, it increased by only 70%. Which
of these conditions must have existed during the second 10-year period?

10

Step-by-step explanation:

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.