Jose has just finished cooking a pizza. He wants to know how long it takes for the oven to return to its normal temperature. Jose was cooking the pizza at 450. The table below represents the different temperatures that Jose recorded as the oven cooled. What is the rate of change for the oven and what does it mean in the context of the question? Time since turning oven off (min) x: 5, 9, 12, 17
Temperature of oven (F) Y: 375, 315, 270, 195