ECZ 2023 · O-Level Paper 1 — Relations and Functions
The functions g and h are defined by g(x) = 3x + 1 and h(x) = x - 12. Find (c) x if gg(x) = 22.
- A. 2
- B. 209
- C. 199
- D. 7
Verified working — step 1
gg(x) = g(g(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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