Chapter 2.8, Problem 367E

For the following exercises, use $y=y_0{e}^{kt}$ .

367.You are trying to thaw some vegetables that are at a temperature of 1°F. To thaw vegetables safely, you must put them in the refrigerator, which has an ambient temperature of 44°F. You check on your vegetables 2 hours after putting them in the refrigerator to find that they are now 12°F Plot the resulting temperature curve and use it to determine when the vegetables reach 33 °F.