A scientist is modelling the number of people, N, who have fallen sick with a virus after
Question:
A scientist is modelling the number of people, N, who have fallen sick with a virus after t days.
From looking at this graph, the scientist suggests that the number of sick people can be modelled by the equation N = abt, where a and b are constants to be found.
The graph passes through the points (0, 1.6) and (10, 2.55).
a. Write down the equation of the line.
b. Using your answer to part a or otherwise, find the values of a and b, giving them to 2 significant figures.
c. Interpret the meaning of the constant a in this model.
d. Use your model to predict the number of sick people after 30 days. Give one reason why this might be an overestimate.
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To find the equation of the line we need to use the given points 0 16 and 10 255 to find the v...View the full answer
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Related Book For 
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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