a) Find C and k that show 8x? + 5× is O(x?). Show your algebra reasons. b) Use proof by contradiction and the definition of Big O to show: 8x+ 5x is NOT O(x)

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.2: Linear Independence, Basis, And Dimension
Problem 9AEXP
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a) Find C and k that show 8x? +5× is O(x²). Show your algebra reasons.
b) Use proof by contradiction and the definition of Big O to show: 8x+ 5x is NOT O(x)
Transcribed Image Text:a) Find C and k that show 8x? +5× is O(x²). Show your algebra reasons. b) Use proof by contradiction and the definition of Big O to show: 8x+ 5x is NOT O(x)
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