ECZ 2013 · O-Level Paper 1 — Relations and Functions
A function h is defined as h(x) = (12)x - 5. Find h(-4).
- A. -3
- B. -7
- C. 7
- D. -2
Verified working — step 1
h(-4) = (12)(-4) - 5 = -2 - 5 = …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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