ECZ 2014 · O-Level Paper 1 — Graphs of Functions
Part of the graph of y = x³ is sketched for x ≤ 0. Which sketch shows the completed graph of y = x³?
- A. mathgraphs_of_functionso2014_q21a_odd.png
- B. mathgraphs_of_functionso2014_q21a_even.png
- C. mathgraphs_of_functionso2014_q21a_flat.png
- D. mathgraphs_of_functionso2014_q21a_line.png
Verified working — step 1
y = x³ is an odd function: replacing x by −x negates y, so the curve has rotational symmetry of order 2 about the …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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