Reduce the following Big-O notation. O[ ax^7 + 3 x^3 + sin(x)] =
(a) O[ax^7].
(b) O[sin(x)].
(c) O[x^7].
(d) O[x^7 + x^3].
I had been asked this question by my college director while I was bunking the class.
The query is from Overview in section Cryptography Overview, TCP/IP and Communication Networks of Cryptograph & Network Security