ECZ 2012 · O-Level Paper 1 — Relations and Functions
Given that f(x) = 3x - 52and g(x) = x - 46, find the value of x for which f(x) = 3g(x).
- A. 2
- B. -12
- C. 12
- D. 1
Verified working — step 1
3g(x) = 3x - 46= x - 42. Setting 3x - 52= x - 42gives 3x - 5 = x - 4, so 2x = 1 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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