2WBB0 · assessment
Worked solution lab
Choose a recurring open-exam pattern, attempt each stage, and reveal the marking path one step at a time.
Recurring open-question solutions
Use every scenario the same way
- Write the method you intend to use before calculating.
- Attempt the current stage on paper or in your own notes.
- Reveal only that stage and correct the first divergence.
- Finish by checking domain, sign, constants, units, or the original equation.
Problem
Determine the domain and range of .
Attempt each part on paper first, then reveal to check.