| Exam Board | CAIE |
| Module | P2 (Pure Mathematics 2) |
| Year | 2023 |
| Session | November |
| Topic | Modulus function |
4
- Sketch, on the same diagram, the graphs of \(y = | 3 x - 5 |\) and \(y = 2 x + 7\).
- Solve the equation \(| 3 x - 5 | = 2 x + 7\).
- Hence solve the equation \(\left| 3 ^ { y + 1 } - 5 \right| = 2 \times 3 ^ { y } + 7\), giving your answer correct to 3 significant figures.