hw7b - x ≥ 1, x 3 if x ≤ 0. (c) f ( x ) = b x 2 + 2 if...

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Introduction to Mathematical Reasoning Fall 2009 Assignment #7: Due Wednesday, 11/25/09 Part II: 5. Decide whether each of the following formulas describes a well-deFned function f : R R . ±or those that do not, give a brief reason why not. ±or those that do, determine the image. (a) f ( x ) = x 2 + 3 x + 5 . (b) f ( x ) = b x 2 if
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Unformatted text preview: x ≥ 1, x 3 if x ≤ 0. (c) f ( x ) = b x 2 + 2 if x ≥ 1, x if x < 1. (d) f ( x ) = x 2-2 x + 1 x-1 if x < 1, x-1 if x > 0. (e) f ( x ) = 1 x + 1 if x ≥ 0, x-1 if x < 1. 6. Eccles, pages 99–100, Exercise 8.3. 7. Eccles, page 117, Problem 14....
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This note was uploaded on 12/08/2009 for the course MATH 300 taught by Professor Staff during the Spring '08 term at University of Washington.

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