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Question

Mathematics Question on Introduction to Graphs

The following graph shows the temperature of a patient in a hospital, recorded every hour.
graph shows the temperature of a patient in a hospital, recorded every hour

  1. What was the patient's temperature at 11 p.m.?
  2. When was the patient's temperature 38.538.5° C?
  3. The patient's temperature was the same two times during the period given. What were these two times?
  4. What was the temperature at 1.301.30 p.m? How did you arrive at your answer?
  5. During which periods did the patient's temperature show an upward trend?
Answer

(a) At 11 p.mp.m. , the patient's temperature was 36.5°36.5° CC.


(b) The patient's temperature was 38.5°38.5° CC at 1212 noon.


(c) The patient's temperature was same at 11 p.mp.m. and 22 p.mp.m.


(d) The graph between the times 11 p.mp.m. and 22 p.m.p.m. is parallel to the x-axis.
The temperature at 11 p.mp.m. and 22 p.mp.m. is 36.5°36.5° CC.
So, the temperature at 1:301:30 p.mp.m. is 36.5°36.5° CC.


(e) During the following periods, the patient's temperature showed an upward trend.
9  a.m.  to  10  a.m.,  10  a.m.  to  11  a.m.,  2  p.m.  to  3  p.m.  9 \;a.m. \;to \;10\; a.m.,\; 10 \;a.m.\; to \;11 \;a.m.,\; 2 \;p.m. \;to \;3 \;p.m.\;