ECZ 2017 · GCE Paper 1 — Relations and Functions
With g : x → x − 12and f : x → 3x − 5, find x if f(x) = g(x).
- A. 95
- B. 59
- C. 9
- D. 115
Verified working — step 1
3x − 5 = x − 12. Multiply through by 2: 6x − 10 = x − 1, so 5x = 9 and x = …The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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