ECZ 2015 · O-Level Paper 1 — Relations and Functions
Given that f(x) = 2x + 78and g(x) = 3x − 66, find g(6).
- A. 2
- B. 12
- C. 2.375
- D. 1
Verified working — step 1
g(6) = 3 × 6 − 66= 126= …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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