Practice variation 1 of 3
Inverse function — Same g, different point setup
Your question
With , note so . For , explain why is not the exam target, and compute as above.
This practice question was inspired by Question 14(e) in the 2021 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
- Have you stated every choice or assumption?
- Can another student follow each line?
- Did you verify the final result independently?