Question 20 — IGCSE 0580 May/June 2023 Paper 23
Cambridge IGCSE Mathematics 0580, Extended tier, non-calculator. Topic: Functions and Graphs · Graphs of functions. Worth 6 marks.
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Question text
20 f(x) = 6x-7 g(x) = x-3
(a) Find f(x+2).
Give your answer in its simplest form.
................................................. [2]
(b) Find f
-1(x)
.
f -1(x) = ................................................ [2]
(c) Find x when g(x) = f(22) .
x = ................................................ [2]
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