Q $4($a$)$ Create a command to produce the following output.

$($b$)$ Create a code to find minimum of the first and the last components of four vectors $x_1=(2,8,3,4,1,5),$

$x_2=(0,7,5,5,6,1),x_3=(4,7,11,0,-3,-2)$ and $x_4=(0,-7,6,-9,2,3).$

$($c$)$ Create a code to produce: $1,9,98,997,9996,99995,999994,17.$

Please answer part $($b$)$