elly's answer to elly's Secondary 3 E Maths Singapore question.
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this is my graph
Date Posted:
2 years ago
(b)(i) Highest concentration = highest point of your graph
(b)(ii) Duration of at least 6 units => at y = 6, draw a dotted line down to x-axis for both points. Calculate the t hrs between these 2 points.
(c)(ii) The concentration of medicine in a person's blood decreases after a period of time.
(b)(ii) Duration of at least 6 units => at y = 6, draw a dotted line down to x-axis for both points. Calculate the t hrs between these 2 points.
(c)(ii) The concentration of medicine in a person's blood decreases after a period of time.
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