f(x) = x 2 - x - 5 for x R a. Find the smallest value

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f(x) = x² - x - 5 for x ∈ R

a. Find the smallest value of f(x) and the corresponding value of x.

b. Hence write down a suitable domain for f(x) in order that f^-1(x) exists.

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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 06:39 AM

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f(x) = x 2 - x - 5 for x R a. Find the smallest value

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

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