ECZ 2010 · O-Level Paper 1 — Relations and Functions

For the function g(x) = 4x - 32x - 5, find g(-1).

Verified working — step 1

Substitute x = -1 into top and bottom separately - two negatives divide to a positive.

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.