ECZ 2011 · O-Level Paper 1 — Relations and Functions
A function f is defined as f(x) = 35x + 1. Find x if f(x) = 6.
- A. 110
- B. -12
- C. 12
- D. -110
Verified working — step 1
35x + 1= 6 gives 3 = 6(5x + 1) = 30x + 6, so 30x = -3 and 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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