ECZ 2022 · O-Level Paper 1 — Relations and Functions
Given that f(x) = 3x + 1 and g(x) = 4x - 1, find (c) fg(x).
- A. 12x + 2
- B. 12x - 2
- C. 7x
- D. 12x - 1
Verified working — step 1
fg(x) = f(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.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question