Chapter 11.2, Problem 22ES

To determine

(a)

Use one of the methods of Example 11.2.4 to show that $2n^4-90n^3+3$ is $\Omega (n^4)$

To determine

(b)

Show that $2n^4-90n^3+3$ is $O(n^4)$

To determine

(c)

Justify the conclusion that $2n^4-90n^3+3$ is $\theta (n^4)$