Over which interval on the x-axis is there a negative rate of change in the function?
•-2 to-1
•-1.5 to 0.5
•0 to 1
•0.5 to 1.5

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28