Data Structure class: i would like to know if i did this correctly haha

Describe the order of magnitude (order of growth) of each of the following functions using (single

term) Big- notation.

1. (12 p.) Describe the order of magnitude (order of growth) of each of the term) Big- notation. (a) 2n + 5n4 + n5 2 (15) O (b) 2n2 + nlogn + 7n3 on cogn) (c) 1990 (213-56) o (ne) + (d) 30 (3+ 3) + (2h0 - 4n3 + 4) O( nn.n4) - Orns) 3n (e) (n5 + n3 + 1)/(n + 4) o (n+1) (f) 10n + 7n2 + 5n3 + 2n5 + no O(nb)