An IT systems engineer creates a new Domain Name System (DNS) zone that contains a pointer (PTR) resource records. Which zone type has been created?

Least square fit to polynomial write a function leastsquarefit3pol that solves a linear system of equations to find a least squares fit of a third order polynomial to an experimental data set given as two row arrays. the function leastsquarefit3pol must explicitly solve a set of linear equations and cannot use polyfit. there should be no restriction on the size of the problem that can be solved.

List a few alternative options and input and output over the standerd keyboard and monitor. explain their functioning in details.

Type the correct answer in the box. spell all words correctly. the managing director of a company sends a christmas greeting to all his employees through the company email. which type of network does he use? he uses an