← Start with the original worked guide: Question 13(a)

Practice variation 3 of 3

Differential equation — Alternate equilibrium multiparts

Your question

For :

(i) Explain why a solution with can never reach .

(ii) Describe the long-term behaviour of the solution through .

(iii) Find the population at which the growth rate is largest, using calculus.

This practice question was inspired by Question 13(a) in the 2024 NSW HSC Mathematics Extension 1 examination, © NESA. It is an original TestMum variation that practises the same mathematical idea, not an official NESA question.

Before you check

Open the step-by-step answer guide →