Question 6 — IGCSE 0580 Oct/Nov 2023 Paper 43
Cambridge IGCSE Mathematics 0580, Extended tier, calculator. Topic: Functions and Graphs · Graphs of functions. Worth 12 marks.
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Question text
6 f(x) = 5x-3 g(x) = 64x h(x) = 2 , x !-1
x+1
(a) Find the value of
(i) f(2)
................................................. [1]
(ii) gf(0.5).
................................................. [2]
(b) Find h
-1(x).
h -1(x) = ................................................ [3]
1
(c) Find x when g(x) = .
25
x = ................................................. [2]
1
(d) Write as a single fraction in its simplest form -h(x).
f(x)
................................................. [4]
© UCLES 2023 0580/43/O/N/23
11
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