Neco Model Questions Vol1 2025 Agricultural Science Question 5
Practice objective / multiple choice question 5 from the 2025 Neco Model Questions Vol1 Agricultural Science examination.
The proportion of wheat plants infected by a new fungal disease follows the logistic model \(p(t)=\frac{1}{1+9e^{-0.3t}}\), where \(t\) is weeks after first detection. Starting from week 4, a control measure reduces the current infection proportion by 15% each week (i.e., the proportion is multiplied by 0.85 each week). After which integer week will the infection proportion first fall below 5%?
Answer Options
About This Question
This is Neco Model Questions Vol1 2025 Agricultural Science Question 5. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.