Answer:
(c) and (e) are true
Explanation:
Given

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Required
Which of the options is true
(a) 1080 insects on day 1
This implies that d = 1
So, we have:



(a) is incorrect because

(b) 10800 insects after a week
This implies that

So, we have:



(b) is incorrect because

(c): Growth factor per day is 1.08
An exponential factor is represented as:

Where
b is the growth factor
By comparison:

Hence, (c) option is true
(d): Growth factor per week is 1.08*7
In (c), we have:
as the daily growth factor
So, the growth factor for n days is:

Substitute 7 for n i.e. 7 days

So, the growth factor for 7 days is:
not

Hence, (d) option is true
(e): Growth factor per week is 1.08*7
In (c), we have:
as the daily growth factor
For hourly rate, we have:

Hence, (e) option is true