ECZ 2016 · GCE Paper 1 — Relations and Functions
A function h is defined as h(x) = 3x + 24. Find the value of x for which h(x) = 5.
- A. 1
- B. 223
- C. 9
- D. 6
Verified working — step 1
Now the OUTPUT is known and x is the unknown - set the rule equal to 5 and unwrap it.The full step-by-step working and final answer, plus the video lesson for this topic, 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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