When the input for the function is 8, what is the output? What does that tell you about the time and temperature

What is the value of x in the diagram below?

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1