Temperature Graph with Thermometer Display
- Lew W.S.
- Function Graph
In an experiment, water at a temperature of 26 degrees Celsiusis being heated and rises at a rate of 8 degrees Celsius per minute. Let the time from the start of the experiment, be t minutes. Write down as an inequality, the time t, in which the temperature is more than 50 degrees Celsius but less than 90 degrees Celsius