ECZ 2019 · O-Level Paper 1 — Relations and Functions

The functions f and g are defined by f(x) = 2x - 3 and g(x) = 3x. Find (c) gf(2).

  • A. 3
  • B. 6
  • C. 9
  • D. 1

Verified working — step 1

gf(2) = 6(2) - 9

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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