a. The functions f and g are defined, for x R, by Find fg(4). b. The

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a. The functions f and g are defined, for x ∈ R, by

Find fg(4).

b. The functions h and k are defined, for x > 0, by

Express each of the following in terms of h and k.

ii. x → x + 8

iii. x → x² - 4

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Question Posted: Aug 17, 2021 07:15 AM

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a. The functions f and g are defined, for x R, by Find fg(4). b. The

Question:

f: x> 2x + 3 g:xH x2 - 1. – 1.

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a Fx 2x 3 9x x1 we want to find fg 4 fg 4 f g 4 b h x i f 4 1 f 15 2 x 1...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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