(23+2x) Consider fa 2x+1 such that f(a)|C|r2| whenever a > k. Arrange the steps in the correct order to show that f(x) is Ox²) for all x>1. Reset It follows that for all x > 1, x².s Since x+2x <0 for x > 1, 2x+1 +2x 2x+1 we may apply the absolute value without changing the left side: 2x+1 x+2x 2x+1 Therefore, if x > 1, x². Since a fraction gets bigger when the denominator gets bigger, +2x 2x+1 +2x 2x x²+1.1 Since a fraction gets smaller when the denominator gets bigger, x²+2x x+2x 1 = x²+1. 2x+1 2x It follows that for all x > 1, x². Since +2x 2x+1 >0 for x> 1, 2x+1 we may apply the absolute value without changing the left side: 2x+1 Therefore, if x > 1,>x². 2x+1 If x>1. then x²+1<²x²+x²= x²
(23+2x) Consider fa 2x+1 such that f(a)|C|r2| whenever a > k. Arrange the steps in the correct order to show that f(x) is Ox²) for all x>1. Reset It follows that for all x > 1, x².s Since x+2x <0 for x > 1, 2x+1 +2x 2x+1 we may apply the absolute value without changing the left side: 2x+1 x+2x 2x+1 Therefore, if x > 1, x². Since a fraction gets bigger when the denominator gets bigger, +2x 2x+1 +2x 2x x²+1.1 Since a fraction gets smaller when the denominator gets bigger, x²+2x x+2x 1 = x²+1. 2x+1 2x It follows that for all x > 1, x². Since +2x 2x+1 >0 for x> 1, 2x+1 we may apply the absolute value without changing the left side: 2x+1 Therefore, if x > 1,>x². 2x+1 If x>1. then x²+1<²x²+x²= x²
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 32E
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