The area, A cm 2 , of a patch of mould is measured daily. The area, n
Question:
The area, A cm2, of a patch of mould is measured daily.
The area, n days after the measurements started, is given by the formula
A = A0bn.
When n = 2, A = 1.8 and when n = 3, A = 2.4.
a. Find the value of b.
b. Find the value of A0 and explain what A0 represents.
c. Estimate the number of days for the area of this patch of mould to exceed 7 cm2.
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Step by Step Answer:
a To find the value of b we can use the formula A A0bn and the given va...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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