ECZ 2025 · GCE Paper 1 — Relations and Functions
The functions f and g are defined by f(x) = x + 32and g(x) = 1 - 2x. Find gf(-7).
- A. 11
- B. 5
- C. -11
- D. -5
Verified working — step 1
From gf(x) = -x - 2: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