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# 1.The following graph shows the temperature of a patient in a hospital, recorded every hour. (a) What was the patient’s temperature at 1 pm? (b) When was the patient’s temperature 38.5°C? (c) The patient’s temperature was the same two times during the period given. What were the two times? (d) What was the temperature at 1:30 pm? How did you arrive at your answer? (e) During which periods did the patient’s temperature show an upward trend?

(a) At 1 pm the patient’s temperature was $$36.5^o$$C

(b) At 12:00 noon the patient’s temperature was $$38.5^o$$C.

(c) At 1 pm and 2 pm the patient's temperature was $$36.5^o$$C.

(d) At 1:30 pm the temperature was $$36.5^o$$C. We took 1:30 p.m which is the mid value of 1 pm. and 2 pm and proceeded perpendicularly upwards to meet the horizontal line showing $$36.5^o$$C.

(e) The temperature showed upwards trend in the following durations from 9 am to 10 am, 10 am to 11 am and 2pm to 3 pm