ECZ 2017 · GCE Paper 1 — Relations and Functions
With g : x → x − 12 and f : x → 3x − 5, find x if f(x) = g(x).
- A. 95
- B. 59
- C. 9
- D. 115
Verified working — step 1
Set the two rules equal, clear the fraction FIRST, then gather x on one side.The full step-by-step working and final answer, plus the video lesson for this topic, 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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