Let f: R R be defined by (a) Find f-1(-10), f-1(0), f-1(4), f-1(6), f-1(7), and f-1(8).
Question:
(a) Find f-1(-10), f-1(0), f-1(4), f-1(6), f-1(7), and f-1(8).
(b) Determine the preimage under f for each of the intervals (i) [-5, -1}; (ii) [-5, 0}; (iii) [-2, 4}; (iv) (5, 10); and (v) [11, 17).
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f(x)-2x 5, 0 3 x-1, 3s
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Discrete and Combinatorial Mathematics An Applied Introduction
ISBN: 978-0201726343
5th edition
Authors: Ralph P. Grimaldi
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