KCSE MATHEMATICS QUESTIONS AND ANSWERS ON GRAPHICAL METHODS FORM 3 LEVEL

KCSE MATHEMATICS QUESTIONS AND ANSWERS ON GRAPHICAL METHODS FORM 3 LEVEL: Some water is heated in a beaker and then left to cool for 12 minutes. After the heating is stopped, the relationship between the water temperature C, in degrees centigrade and the time t, after heating is given as C = 100 -1/2 T^2. (a) Use the relationsh