CAN YOU SOLVE THIS AS SOON AS POOSIBLE WITH RIGHT ANSER

1. Prove the following polynomial is e (n*). P(n) = 4n* + 20 n - 100n You must use algebraic manipulations and pick an appropriate no so that the upper and lower bounds are within 5% of 4n*. That is, prove that 3.8 n* 5 P(n) = 4.2 n* (a) Prove O(n* ). Prove n(n*)