Level 3 Integration Walkthrough
2018 NCEA Level 3 Integration Question 1(e)
2018 Paper
Walkthrough overview
What this question practises
This 2018 walkthrough is part of AS91579 — Apply integration methods in solving problems.
Method: Using a point on an exponential curve to prove an area result.
This is Question 1(e) from the 2018 NCEA Level 3 Integration paper for AS91579 — Apply integration methods in solving problems. Use the guided hints to practise the method before revealing the full working.
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Learning summary
Review the method, not only the answer
This walkthrough helps you practise using a point on an exponential curve to prove an area result. Use the hints to plan the method, then repeat the question without hints and check each step.
Common mistake to avoid
Check intersections, signs, and whether the question asks for signed area or total geometric area.