Use the definition of "f(x) is O(g(x))" to show that x4 + 9x3 + 4x + 7 is O(x4).
In this problem, we have to use the definition of "f(x) is O(g(x))" to show that x4 + 9x3 + 4x + 7 is O(x4).
Definition of Big -O Notation
For a growing function we defined a function which is known as big-O-notation.
Let f and g be a function with f:A and g:A
We can say that f(x) is O(g(x)) if there are constant C and k such that |f(x)||g(x)| whenever x>k
Textbook: Discrete Mathematics and Its Applications
Author: Kenneth Rosen
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