The temperature for the past 8 hours has been changing at the rate of-1.5 degrees each hour. The meteorologist predicts that the
temperature will continue changing like this for the next 6 hours. The present reading is 0 degrees a. What was the temperature reading 7 hours ago? b. what temperature is predicted for 6 hours from now? c. when was the temperature reading 6 degrees? d. when is the temperature expected to be -8 degrees?